Quartz silica.
Fracturing quartz sand.
Loose and fine stone of ruby, sapphire, garnet, spinel, quartz, topaz and especially jade loose.
Natural polished and rough ruby, sapphire, agate, spineal, garnet, emerald, topz, amethyst, amber, peridot, quartz, aquamarine, zircon and jadeite jade.
Precious stones like rubies, sapphires, jades, and semi precious stones like garnets, spinels, peridots quartz and pearls.
