diff --git a/mods/ENTITIES/mobs_mc_gameconfig/init.lua b/mods/ENTITIES/mobs_mc_gameconfig/init.lua
index 57f73144..e4a753eb 100644
--- a/mods/ENTITIES/mobs_mc_gameconfig/init.lua
+++ b/mods/ENTITIES/mobs_mc_gameconfig/init.lua
@@ -155,12 +155,13 @@ mobs_mc.replace = {
 		{ "mcl_flowers:tallgrass", "air", 0 },
 	},
 	-- Silverfish populate stone, etc. with monster eggs
-	-- TODO: add nodes
 	silverfish = {
-		{"mcl_core:stone", "mobs_mc:monster_egg_stone", -1},
-		{"mcl_core:cobble", "mobs_mc:monster_egg_cobble", -1},
-		{"mcl_core:stonebrick", "mobs_mc:monster_egg_stonebrick", -1},
-		{"mcl_core:mossystonebrick", "mobs_mc:monster_egg_mossystonebrick", -1},
+		{"mcl_core:stone", "mcl_monster_eggs:monster_egg_stone", -1},
+		{"mcl_core:cobble", "mcl_monster_eggs:monster_egg_cobble", -1},
+		{"mcl_core:stonebrick", "mcl_monster_eggs:monster_egg_stonebrick", -1},
+		{"mcl_core:stonebrickmossy", "mcl_monster_eggs:monster_egg_stonebrickmossy", -1},
+		{"mcl_core:stonebrickcracked", "mcl_monster_eggs:monster_egg_stonebrickcracked", -1},
+		{"mcl_core:stonebrickcarved", "mcl_monster_eggs:monster_egg_stonebrickcarved", -1},
 	},
 }
 
diff --git a/mods/ITEMS/mcl_monster_eggs/depends.txt b/mods/ITEMS/mcl_monster_eggs/depends.txt
new file mode 100644
index 00000000..fde951c9
--- /dev/null
+++ b/mods/ITEMS/mcl_monster_eggs/depends.txt
@@ -0,0 +1,3 @@
+mcl_sounds
+mobs_mc
+intllib?
diff --git a/mods/ITEMS/mcl_monster_eggs/init.lua b/mods/ITEMS/mcl_monster_eggs/init.lua
new file mode 100644
index 00000000..43c96c01
--- /dev/null
+++ b/mods/ITEMS/mcl_monster_eggs/init.lua
@@ -0,0 +1,41 @@
+-- Monster eggs!
+-- Blocks which spawn silverfish when destroyed.
+
+-- Intllib
+local MP = minetest.get_modpath(minetest.get_current_modname())
+local S, NS = dofile(MP .. "/intllib.lua")
+
+local spawn_silverfish = function(pos, oldnode, oldmetadata, digger)
+	if not minetest.setting_getbool("creative_mode") then
+		minetest.add_entity(pos, "mobs_mc:silverfish")
+	end
+end
+
+-- Template function for registering monster egg blocks
+local register_block = function(subname, description, tiles, is_ground_content)
+	if is_ground_content == nil then
+		is_ground_content = false
+	end
+	minetest.register_node("mcl_monster_eggs:monter_egg_"..subname, {
+		description = description,
+		tiles = tiles,
+		is_ground_content = is_ground_content,
+		groups = {handy = 1, spawns_silverfish = 1, deco_block = 1},
+		drop = '',
+		is_ground_content = false,
+		sounds = mcl_sounds.node_sound_stone_defaults(),
+		after_dig_node = spawn_silverfish,
+		_mcl_hardness = 0.75,
+		_mcl_blast_resistance = 3.75,
+	})
+end
+
+-- Register all the monster egg blocks
+register_block("stone", S("Stone Monster Egg"), {"default_stone.png"}, true)
+register_block("cobble", S("Cobblestone Monster Egg"), {"default_cobble.png"})
+register_block("stonebrick", S("Stone Bricks Monster Egg"), {"default_stone_brick.png"})
+register_block("stonebrickcracked", S("Cracked Stone Bricks Monster Egg"), {"mcl_core_stonebrick_cracked.png"})
+register_block("stonebrickmossy", S("Mossy Stone Bricks Monster Egg"), {"mcl_core_stonebrick_mossy.png"})
+register_block("stonebrickcarved", S("Chiseled Stone Bricks Monster Egg"), {"mcl_core_stonebrick_carved.png"})
+
+
diff --git a/mods/ITEMS/mcl_monster_eggs/intllib.lua b/mods/ITEMS/mcl_monster_eggs/intllib.lua
new file mode 100644
index 00000000..6669d720
--- /dev/null
+++ b/mods/ITEMS/mcl_monster_eggs/intllib.lua
@@ -0,0 +1,45 @@
+
+-- Fallback functions for when `intllib` is not installed.
+-- Code released under Unlicense <http://unlicense.org>.
+
+-- Get the latest version of this file at:
+--   https://raw.githubusercontent.com/minetest-mods/intllib/master/lib/intllib.lua
+
+local function format(str, ...)
+	local args = { ... }
+	local function repl(escape, open, num, close)
+		if escape == "" then
+			local replacement = tostring(args[tonumber(num)])
+			if open == "" then
+				replacement = replacement..close
+			end
+			return replacement
+		else
+			return "@"..open..num..close
+		end
+	end
+	return (str:gsub("(@?)@(%(?)(%d+)(%)?)", repl))
+end
+
+local gettext, ngettext
+if minetest.get_modpath("intllib") then
+	if intllib.make_gettext_pair then
+		-- New method using gettext.
+		gettext, ngettext = intllib.make_gettext_pair()
+	else
+		-- Old method using text files.
+		gettext = intllib.Getter()
+	end
+end
+
+-- Fill in missing functions.
+
+gettext = gettext or function(msgid, ...)
+	return format(msgid, ...)
+end
+
+ngettext = ngettext or function(msgid, msgid_plural, n, ...)
+	return format(n==1 and msgid or msgid_plural, ...)
+end
+
+return gettext, ngettext
diff --git a/mods/MAPGEN/mcl_mapgen_core/init.lua b/mods/MAPGEN/mcl_mapgen_core/init.lua
index 51619d58..e2b0084c 100644
--- a/mods/MAPGEN/mcl_mapgen_core/init.lua
+++ b/mods/MAPGEN/mcl_mapgen_core/init.lua
@@ -580,6 +580,26 @@ minetest.register_ore({
 
 end
 
+-- Rarely replace stone with stone monster eggs
+local scarcity
+if mg_name == "v6" then
+	monster_egg_scarcity = 28 * 28 * 28
+else
+	monster_egg_scarcity = 22 * 22 * 22
+end
+minetest.register_ore({
+	ore_type       = "scatter",
+	ore            = "mcl_monster_eggs:monster_egg_stone",
+	wherein        = "mcl_core:stone",
+	clust_scarcity = monster_egg_scarcity,
+	clust_num_ores = 3,
+	clust_size     = 2,
+	y_min          = -31000,
+	y_max          = 31000,
+	-- TODO: Limit by biome
+})
+
+
 local function register_mgv6_decorations()
 
 	-- Sugar canes