@@ -67,9 +67,10 @@
 	local coincount
 	if not inv:is_empty('ingot') then
 		local id = slot_ingot:get_name()
 		for name,metal in pairs(sorcery.data.metals) do
-			if id == metal.parts.ingot then
+			if id == metal.parts.ingot or
+				id == minetest.registered_aliases[metal.parts.ingot] then
 				metalname = name
 				coincount = slot_ingot:get_count()
 				goto foundmetal
 			end
@@ -149,14 +150,18 @@
 	allow_metadata_inventory_put = function(pos,list,idx,stack,user)
 		local id = stack:get_name()
 		if list == 'ingot' then
 			for name,metal in pairs(sorcery.data.metals) do
-				if id == metal.parts.ingot then goto okay end
+				if id == metal.parts.ingot or
+					id == minetest.registered_aliases[metal.parts.ingot]
+				then goto okay end
 			end
 		elseif list == 'gem' then
 			for name,gem in pairs(sorcery.data.gems) do
 				if gem.foreign then
-					if id == gem.foreign then goto okay end
+					if id == gem.foreign or
+						id == minetest.registered_aliases[gem.foreign]
+					then goto okay end
 				else
 					if id == 'sorcery:gem_' .. name then goto okay end
 				end
 			end
@@ -182,9 +187,22 @@
 			local items_used = math.floor(stack:get_count() / coins_per_ingot)
 			local inv = meta:get_inventory()
 			local reduce_slot = function(slot)
 				local i = inv:get_stack(slot,1)
+				local s = i:get_name()
 				i:take_item(items_used) inv:set_stack(slot,1,i)
+				if slot == 'gem' then
+					for k,v in pairs(sorcery.data.gems) do
+						if v.parts.item == s then
+							local repl = ItemStack {
+								name = v.parts.shard;
+								count = items_used;
+							}
+							u.node.insert(repl, 'gem', pos, user, inv)
+							break
+						end
+					end
+				end
 			end
 			reduce_slot('ingot')
 			if not inv:is_empty('gem') then reduce_slot('gem') end
 			minetest.sound_play('sorcery_coins', { pos = pos, gain = 0.7 })