Fixing NPE with gem generation.

common/biomesoplenty/biomes/BiomeGenAlps.java

@@ -39,7 +39,8 @@ public class BiomeGenAlps extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 8, 2);
 			}

common/biomesoplenty/biomes/BiomeGenAlpsBase.java

@@ -38,7 +38,8 @@ public class BiomeGenAlpsBase extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 8, 2);
 			}

common/biomesoplenty/biomes/BiomeGenAlpsForest.java

@@ -40,7 +40,8 @@ public class BiomeGenAlpsForest extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 8, 2);
 			}

common/biomesoplenty/biomes/BiomeGenArctic.java

@@ -37,7 +37,8 @@ public class BiomeGenArctic extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 8, 2);
 			}

common/biomesoplenty/biomes/BiomeGenBadlands.java

@@ -45,7 +45,8 @@ public class BiomeGenBadlands extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 2, 2);
 			}

common/biomesoplenty/biomes/BiomeGenBambooForest.java

@@ -41,7 +41,8 @@ public class BiomeGenBambooForest extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 6, 2);
 			}

common/biomesoplenty/biomes/BiomeGenBirchForest.java

@@ -57,7 +57,8 @@ public class BiomeGenBirchForest extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenBorealForest.java

@@ -61,7 +61,8 @@ public class BiomeGenBorealForest extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenCanyon.java

@@ -52,7 +52,8 @@ public class BiomeGenCanyon extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 2, 2);
 			}

common/biomesoplenty/biomes/BiomeGenCanyonRavine.java

@@ -52,7 +52,8 @@ public class BiomeGenCanyonRavine extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 2, 2);
 			}

common/biomesoplenty/biomes/BiomeGenChaparral.java

@@ -47,7 +47,8 @@ public class BiomeGenChaparral extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 4, 2);
 			}

common/biomesoplenty/biomes/BiomeGenCherryBlossomGrove.java

@@ -50,7 +50,8 @@ public class BiomeGenCherryBlossomGrove extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenConiferousForest.java

@@ -73,7 +73,8 @@ public class BiomeGenConiferousForest extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenConiferousForestSnow.java

@@ -41,7 +41,8 @@ public class BiomeGenConiferousForestSnow extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 8, 2);
 			}

common/biomesoplenty/biomes/BiomeGenCrag.java

@@ -39,7 +39,8 @@ public class BiomeGenCrag extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 12, 2);
 			}

common/biomesoplenty/biomes/BiomeGenDeadForestSnow.java

@@ -41,7 +41,8 @@ public class BiomeGenDeadForestSnow extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 8, 2);
 			}

common/biomesoplenty/biomes/BiomeGenDeadSwamp.java

@@ -49,7 +49,8 @@ public class BiomeGenDeadSwamp extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 10, 2);
 			}

common/biomesoplenty/biomes/BiomeGenDeciduousForest.java

@@ -61,7 +61,8 @@ public class BiomeGenDeciduousForest extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenDunes.java

@@ -41,7 +41,8 @@ public class BiomeGenDunes extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 2, 2);
 			}

common/biomesoplenty/biomes/BiomeGenField.java

@@ -41,7 +41,8 @@ public class BiomeGenField extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 4, 2);
 			}

common/biomesoplenty/biomes/BiomeGenFieldForest.java

@@ -52,7 +52,8 @@ public class BiomeGenFieldForest extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 4, 2);
 			}

common/biomesoplenty/biomes/BiomeGenFrostForest.java

@@ -39,7 +39,8 @@ public class BiomeGenFrostForest extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 8, 2);
 			}

common/biomesoplenty/biomes/BiomeGenGarden.java

@@ -57,7 +57,8 @@ public class BiomeGenGarden extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 4, 2);
 			}

common/biomesoplenty/biomes/BiomeGenGlacier.java

@@ -39,7 +39,8 @@ public class BiomeGenGlacier extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 8, 2);
 			}

common/biomesoplenty/biomes/BiomeGenGrassland.java

@@ -56,7 +56,8 @@ public class BiomeGenGrassland extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 4, 2);
 			}

common/biomesoplenty/biomes/BiomeGenGrove.java

@@ -64,7 +64,8 @@ public class BiomeGenGrove extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenHeathland.java

@@ -44,7 +44,8 @@ public class BiomeGenHeathland extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 4, 2);
 			}

common/biomesoplenty/biomes/BiomeGenHighland.java

@@ -36,7 +36,8 @@ public class BiomeGenHighland extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenHotSprings.java

@@ -41,7 +41,8 @@ public class BiomeGenHotSprings extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 12, 2);
 			}

common/biomesoplenty/biomes/BiomeGenIcyHills.java

@@ -45,7 +45,8 @@ public class BiomeGenIcyHills extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 8, 2);
 			}

common/biomesoplenty/biomes/BiomeGenJadeCliffs.java

@@ -38,7 +38,8 @@ public class BiomeGenJadeCliffs extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenLushSwamp.java

@@ -48,7 +48,8 @@ public class BiomeGenLushSwamp extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 10, 2);
 			}

common/biomesoplenty/biomes/BiomeGenMangrove.java

@@ -44,7 +44,8 @@ public class BiomeGenMangrove extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 12, 2);
 			}

common/biomesoplenty/biomes/BiomeGenMapleWoods.java

@@ -46,7 +46,8 @@ public class BiomeGenMapleWoods extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenMeadow.java

@@ -47,7 +47,8 @@ public class BiomeGenMeadow extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 4, 2);
 			}

common/biomesoplenty/biomes/BiomeGenMeadowForest.java

@@ -42,7 +42,8 @@ public class BiomeGenMeadowForest extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 4, 2);
 			}

common/biomesoplenty/biomes/BiomeGenMesa.java

@@ -44,7 +44,8 @@ public class BiomeGenMesa extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 2, 2);
 			}

common/biomesoplenty/biomes/BiomeGenMoor.java

@@ -71,7 +71,8 @@ public class BiomeGenMoor extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenMountain.java

@@ -52,7 +52,8 @@ public class BiomeGenMountain extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenOasis.java

@@ -50,7 +50,8 @@ public class BiomeGenOasis extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 6, 2);
 			}

common/biomesoplenty/biomes/BiomeGenOrchard.java

@@ -46,7 +46,8 @@ public class BiomeGenOrchard extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 4, 2);
 			}

common/biomesoplenty/biomes/BiomeGenOutback.java

@@ -45,7 +45,8 @@ public class BiomeGenOutback extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 2, 2);
 			}

common/biomesoplenty/biomes/BiomeGenPasture.java

@@ -37,7 +37,8 @@ public class BiomeGenPasture extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 4, 2);
 			}

common/biomesoplenty/biomes/BiomeGenPastureMeadow.java

@@ -39,7 +39,8 @@ public class BiomeGenPastureMeadow extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 4, 2);
 			}

common/biomesoplenty/biomes/BiomeGenPastureThin.java

@@ -39,7 +39,8 @@ public class BiomeGenPastureThin extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 4, 2);
 			}

common/biomesoplenty/biomes/BiomeGenPolar.java

@@ -38,7 +38,8 @@ public class BiomeGenPolar extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 8, 2);
 			}

common/biomesoplenty/biomes/BiomeGenPrairie.java

@@ -44,7 +44,8 @@ public class BiomeGenPrairie extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 4, 2);
 			}

common/biomesoplenty/biomes/BiomeGenQuagmire.java

@@ -46,7 +46,8 @@ public class BiomeGenQuagmire extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 10, 2);
 			}

common/biomesoplenty/biomes/BiomeGenRainforest.java

@@ -48,7 +48,8 @@ public class BiomeGenRainforest extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 6, 2);
 			}

common/biomesoplenty/biomes/BiomeGenRedwoodForest.java

@@ -57,7 +57,8 @@ public class BiomeGenRedwoodForest extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenSavanna.java

@@ -42,7 +42,8 @@ public class BiomeGenSavanna extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 2, 2);
 			}

common/biomesoplenty/biomes/BiomeGenSavannaPlateau.java

@@ -42,7 +42,8 @@ public class BiomeGenSavannaPlateau extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 2, 2);
 			}

common/biomesoplenty/biomes/BiomeGenScrubland.java

@@ -40,7 +40,8 @@ public class BiomeGenScrubland extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 2, 2);
 			}

common/biomesoplenty/biomes/BiomeGenSeasonalForest.java

@@ -65,7 +65,8 @@ public class BiomeGenSeasonalForest extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenSeasonalSpruceForest.java

@@ -65,7 +65,8 @@ public class BiomeGenSeasonalSpruceForest extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenShrubland.java

@@ -42,7 +42,8 @@ public class BiomeGenShrubland extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 4, 2);
 			}

common/biomesoplenty/biomes/BiomeGenShrublandForest.java

@@ -42,7 +42,8 @@ public class BiomeGenShrublandForest extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 4, 2);
 			}

common/biomesoplenty/biomes/BiomeGenSilkglades.java

@@ -75,7 +75,8 @@ public class BiomeGenSilkglades extends BiomeGenBase
 				int var9 = par4 + par2Random.nextInt(16);
 				int var10 = par1World.getBlockId(var7, var8, var9);
 
-				if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+				Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 				{
 					par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 10, 2);
 				}

common/biomesoplenty/biomes/BiomeGenSludgepit.java

@@ -54,7 +54,8 @@ public class BiomeGenSludgepit extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 10, 2);
 			}

common/biomesoplenty/biomes/BiomeGenSpruceWoods.java

@@ -53,7 +53,8 @@ public class BiomeGenSpruceWoods extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenSteppe.java

@@ -46,7 +46,8 @@ public class BiomeGenSteppe extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 2, 2);
 			}

common/biomesoplenty/biomes/BiomeGenTemperateRainforest.java

@@ -76,7 +76,8 @@ public class BiomeGenTemperateRainforest extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenTimber.java

@@ -59,7 +59,8 @@ public class BiomeGenTimber extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenTimberThin.java

@@ -59,7 +59,8 @@ public class BiomeGenTimberThin extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/BiomeGenTropicalRainforest.java

@@ -56,7 +56,8 @@ public class BiomeGenTropicalRainforest extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 6, 2);
 			}

common/biomesoplenty/biomes/BiomeGenTropics.java

@@ -51,7 +51,8 @@ public class BiomeGenTropics extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 6, 2);
 			}

common/biomesoplenty/biomes/BiomeGenTundra.java

@@ -42,7 +42,8 @@ public class BiomeGenTundra extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 8, 2);
 			}

common/biomesoplenty/biomes/BiomeGenWoodland.java

@@ -35,7 +35,8 @@ public class BiomeGenWoodland extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/ocean/BiomeGenOceanAbyss.java

@@ -33,7 +33,8 @@ public class BiomeGenOceanAbyss extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 12, 2);
 			}

common/biomesoplenty/biomes/ocean/BiomeGenOceanCoral.java

@@ -36,7 +36,8 @@ public class BiomeGenOceanCoral extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 12, 2);
 			}

common/biomesoplenty/biomes/ocean/BiomeGenOceanKelp.java

@@ -36,7 +36,8 @@ public class BiomeGenOceanKelp extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 12, 2);
 			}

common/biomesoplenty/biomes/vanilla/BiomeGenForestNew.java

@@ -65,7 +65,8 @@ public class BiomeGenForestNew extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/vanilla/BiomeGenHillsNew.java

@@ -50,7 +50,8 @@ public class BiomeGenHillsNew extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
 			}

common/biomesoplenty/biomes/vanilla/BiomeGenPlainsNew.java

@@ -43,7 +43,8 @@ public class BiomeGenPlainsNew extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 4, 2);
 			}

common/biomesoplenty/biomes/vanilla/BiomeGenTaigaNew.java

@@ -53,7 +53,8 @@ public class BiomeGenTaigaNew extends BiomeGenBase
 			int var9 = par4 + par2Random.nextInt(16);
 			int var10 = par1World.getBlockId(var7, var8, var9);
 
-			if (Block.blocksList[var10].isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
+			Block block = Block.blocksList[var10]; 
+			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
 			{
 				par1World.setBlock(var7, var8, var9, Blocks.amethystOre.get().blockID, 8, 2);
 			}