The most important distinction between types of quartz is that of macrocrystalline (individual crystals visible to the unaided eye) and the microcrystalline or cryptocrystalline varieties (aggregates of crystals visible only under high magnification). Chalcedony is a generic term for cryptocrystalline quartz. The cryptocrystalline varieties are either translucent or mostly opaque, while the transparent varieties tend to be macrocrystalline. Although many of the varietal names historically arose from the colour of the mineral, current scientific naming schemes refer primarily to the microstructure of the mineral.
Raw quartzite rock is mined from quarry deposits, and will be fed into primary quartz crusher like jaw crusher for crushing by vibrating feeder, then the crushed quartzite rock will be sent to secondary crushing (cone crusher, impact crusher) via conveyor belt. Then the quartz sand will be sieved by vibrating screen into different grades, the sand meet the demands will be transported to a stockpile, the larger ones will be transferred into VSI crusher(sand making machine) for further processing. Quartz powder is a hard, wear-resistant, high-chemical stability silicate mineral. It is made of mined quartz ore which manufactured by stone mill, generally below 120meshs fineness (less than 120meshs). Quartz powder also calls silica powder. And more than 120meshs products are known as quartz powder, also known as silica powder.
Ball mill is the traditionally used grinding machine in quartz stone powder grinding plant. It not merely grinds quartz, but additionally grind other stones including mica, feldspar, dolomite and gypsum, coal, cement clinker. The barrell person is wearable well and bears wearable scaleboard. The ability range between 5 t/p to 30 t/p. Ultrafine mill is a new type grinding mill based on our decades professional experience in mining equipment, and absorbing advanced technology abroad and at home. The ultrafine mill has the benefits of...