Talcum, caustic calcined magnesia, caustic calcined magnesia white ball, dead burned magnesite, fluorite, quartz sand, brucite, potash feldspar, albite, silicon carbide and ferro alloys
Rough gemstones and petrified wood like emerald, tourmaline, apatite, iolite, nuummite, jadeite, fluorite, verdite, beryl, bixbite, andesine labradorite, morganite, amethyst, ametrine, citrine, quartz cats eye, rose quartz, smoky quartz, milky quartz, strawberry quartz, aventurine, sunstone, moonstone, agate, maw sit sit, jasper, and petrified wood