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’s 174th newly classified mineral.
Primarily…
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’s 174th newly classified mineral.
Primarily…