Precious and semi precious gemstones like tsavorites, tanzanites, aquamarines, spinels, taafeites, tourmalines, amethysts, citrines, quartz, topaz, rhodolites, hessonites, change color garnets, purple grape garnets, malaia garnets, rose garnets, imperial garnets, champagne garnets (all types of garnets), alexandrites, chrysoberyl, beryls, moonstones, sapphires, rubies, emeralds.
