@@ -87,9 +87,9 @@
 	mesh = 'sorcery-coinpress.obj';
 	sunlight_propagates = true;
 	paramtype = 'light';
 	paramtype2 = 'facedir';
-	groups = { cracky = 2; oddly_breakable_by_hand = 2; };
+	groups = { cracky = 2; oddly_breakable_by_hand = 2; sorcery_metallurgy = 1};
 	tiles = {
 		'default_wood.png';
 		'default_stone.png';
 		'default_copper_block.png';