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Crystalline Silica In Stone Crushing Unit

Silica sio 2 or crystalline silica is a colorless or white crystal 2 commonly found in the earths crust 3.The most common forms of silica are quartz, cristobalite, and tridymite.Quartz, the most prevalent form of silica, can be found in sand, stone, granite, soil, concrete and mortar 2 3.Cristobalite and tridymite is found in volcanic rock and can become airborne to areas close in.