quartz

Shi Ying, Shi Ying is a mineral resource with stable physical and chemical properties. Its crystal belongs to the oxide mineral of tripartite system, namely low-temperature Shi Ying (a- Shi Ying), which is the most widely distributed mineral species among Shi Ying minerals. Shi Ying in a broad sense also includes high temperature Shi Ying (b- Shi Ying). Shi Ying Block, also known as silica, is mainly the raw material for producing quartz sand, as well as the raw material for refractories and ferrosilicon firing in Shi Ying.
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