Alchemists can correctly make lapis lazuli and fire opal gems

game/modules/tome/data/general/objects/gem.lua

@@ -53,8 +53,7 @@ local function newGem(name, image, cost, rarity, color, min_level, max_level, ti
 		attack_type = colors_attacks[color],
 	}
 	-- Alchemist gems, not lootable, only created by talents
-	newEntity{ base = "BASE_GEM", define_as = "ALCHEMIST_GEM_"..name:upper(),
-		name = "alchemist "..name:lower(), type='alchemist-gem', subtype = color,
+	newEntity{ base = "BASE_GEM", define_as = "ALCHEMIST_GEM_"..name:gsub(" ", "_"):upper(),		name = "alchemist "..name:lower(), type='alchemist-gem', subtype = color,
 		slot = "QUIVER",
 		color = colors[color:upper()], image=image,
 		cost = cost * 0.01,