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silicon dioxide
| Quartz is one of the most abundant minerals on earth. It comprises about 12% of the earth's upper crust. It is usually found in compact masses and sometimes crystallizes as beautiful points easily identified by their six distinct faces. Quartz comes in a variety of colors including purple amethyst, golden citrine, brown smoky, pink rose and clear rock crystal. When quartz are trapped or squeezed, the crystal produces electrical current from the opposite face. This property of the mineral has been important to modern technology within computers and electronics. A general location for the mineral, is Brazil. |
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