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Quartz
In ancient times, it was used for making tools and weapons. And also since many years it is used as ornamental stones and gemstone. Quartz is derived from the Saxon word querklufterz which means "cross vein ore." Its amazing beauty and affordability makes it very well liked as gemstone. The colorless Quartz is commonly used as diamond imitation. Other varieties are widely used for making attractive jewelry items. The supply of Quartz crystals come almost entirely from Brazil, but they are also found in the United States, Mexico, South Africa, Australia and Russia. This mineral has been used by mankind for centuries, and has played an integral role in both technology and spiritual practices.
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