Opal.
Ruby, sapphire, emerald, spinel, tourmaline, opal, aquamarine, chrysoberyl, alexandrite, cats eye, zircon, garnet, hessonite garnet, amethyst, tanzanite, green garnet (savourite), peridot, quartz, beryls, green beryl.
Crystals, Minerals, Gemstones, Semi Precious Stones,, Tumbles, Spheres, Towers, Hearts, Carvings, Specimens, Free Forms Etc. Clear Quartz, Rose Quartz, Citrine, Amethyst, Fluorite, Caribbean Calcite, Pink Mangano Calcite, Aragonite, Sphalerite, Aquamarine, Howlite, Malachite, Blue Lace Agates, Ocean Jasper, Moss Agate, Sakura Agate, Garden Quartz (lodolite), Fire Quartz (hematoid Quartz), Lapis Lazuli, Larimar, Celestite, Blue Apatite, Tourmaline..