Glass sand (silica sand) Glass Sand (Silica Sand) SIO2
Called sand glass because the basic material for the manufacture of glass, and the glass industry due to the eras before me Phoenicians and Egyptians.
Definition and properties:
Sulaikatah spread minerals in the earth's crust is the most important of all metal quartz (quartz), which is resistant to the pounding, non-magnetic and not his color when it is pure, and enters in the manufacture of concrete, bricks, ceramics, porcelain, glass, and in the lining of metal smelting furnaces.
Presence in nature:
We silica sand by including in the deserts, which was formed as a result of weathering of igneous rocks containing metal quartz (quartz).
التسميات
Salt and sand glass