
Quartz or quartz of pure silica consists of impurities (silicon dioxide SiO2). Quartz and pure transparent colorless and is one of the most hardness of metals and minerals that few superiority in hardness diamonds, rubies, topaz and beryl and Alosnpil. When exposing the quartz crystal to power it generates an electric compressor on the edges and vice versa effort to shed When a voltage alternating...