China has announced the discovery of more than 35 million metric tons of high-purity quartz (HPQ) in two regions—Qinling in ...

Chemically, quartz is nearly pure silicon dioxide (SiO 2). When there are no impurities, pure quartz is water-clear and often referred to as “rock crystal”. Impurities can give transparent ...

According to a report by CCTV, journalists learned from the Ministry of Natural Resources today (10th) that the "Announcement on Newly Discovered Mineral Species" was recently released, identifying a ...

In case you missed that, a tube furnace is basically a long, fused quartz tube wrapped in electrical ... the task by creating a thin layer of silicon dioxide on a scrap of silicon wafer.