@@ -51,8 +51,9 @@
 				};
 			};
 		})
 	end
+	gem.durability = gem.durability or (gem.hardness or 1) * 100
 	if not gem.foreign_amulet then
 		local img = sorcery.lib.image
 		local img_stone = img('sorcery_amulet.png'):multiply(sorcery.lib.color(gem.tone))
 		local img_sparkle = img('sorcery_amulet_sparkle.png')