Quartz is the second most abundant mineral in Earth's continental crust, after
feldspar. Its crystal structure is a continuous framework of SiO4 silicon–oxygen ...
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The uses and properties of the mineral Quartz with photos.
It serves as a digital guide to the new global economy. Designed for an efficient,
mobile reading experience, Quartz serves business professionals who travel the
Quartz is the most common mineral found on the surface of the Earth. If pure,
quartz forms colorless, transparent and very hard crystals with a glass-like luster.
Quartz is one of the most well-known minerals on earth. It occurs in basically all
mineral environments, and is the important constituent of many rocks. Quartz is ...