Natural stone quartz lumps, quartz, quartz lumps
Crystal quartz, granular quartz, smoky quartz, plane quartz, and milky quartz, and quartz ore.
Milky quartz and clear crystal quartz
Silica sand, quartz, iron ore, manganese ore, copper ore, gypsum ore, bauxite ore, limestone ore, gypsum, plaster of pairs, bentonite, mica, chrome ore, dolomite, rock phosphate, zeolite, calcium carbonate, barite ore, talc, talcum powder, kaolin clay, china clay, potassium feldspar, lead ore, zinc ore, graphite ore, fluorite ore.
Silicon, quartz 90 percent
Silicon dioxide, quartz crystals, quartz lumps, finely ground quartz powder