China has discovered two high-purity quartz deposits, one near Qinling, Henan province, and the other in Altay, Xinjiang. The State Council has officially designated high-purity quartz (HPQ) China ...

China’s Ministry of Natural Resources has announced the discovery of two major high-purity quartz deposits – one near Qinling, Henan province, and the other in Altay, Xinjiang region.

China's Ministry of Natural Resources recently identified high-purity quartz as the country's 174th mineral type, as multiple ore deposits have been discovered in the country, the ministry ...