... and research field for a range of non-metallic powders, such as calcium carbonate, talcum, kaolin, zirconium silicate, wollastonite, graphite, silica powder ... , tourmaline, mica, barite, plaster, betonite, diamond, quartz, diatomite, feldspar, calamite, clay, garnet, vermiculite, Titanium white power, and more.The production, application and ... other rare metal and varied alloy, and more.Other ...