alexandrite, amethyst, carnelian, citrine (heated), emerald, topaz, tourmaline, garnet, rhodolite garnet, green sapphire (heated), ruby (heated, glass filled), nephrite, sapphire (heated), tectite, sphene, beryl, tanzanite (heated), aquamarine, tsavorite, calcite, kunzite, lapis lazuli, yellow opal, ortoclase, green garnet