Drusy Quartz Information
Drusy refers to a type of micro-crystalline formation resembling sugar that forms on a substrate or base mineral material. Drusy quartz is a semi-precious gemstone in which the micro-crystalline structure forms on a quartz substrate.
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Composition
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Quartz stones are composed of silicone dioxide. Silicon dioxide in the form of quartz is one of the most abundant minerals on the planet and found throughout the earth's crust.
Location
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Drusy can form on just about any mineral substrate, but the gem-quality drusy quartz generally forms inside geodes--hollow rocks with crystalline structures inside. Brazil and Indonesia are major sources of drusy quartz, according to David Federman.
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Uses
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Drusy quartz is used as a gemstone in jewelry and Gemtradenet.com reports that is most suitable for pendants, earrings and brooches. Quartz crystals are also used in clocks and for computer equipment.
Alterations
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Drusy quartz may be dyed or given a titanium coating in an attempt to improve the aesthetic quality of the gemstones, according to Gemtradenet.com.
Cost
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Drusy quartz prices have a significant range. In 2007, drusy quartz prices could range from $15 up to $200 or more, depending on the quality, according to David Federman.
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References
- Photo Credit Image by Flickr.com, courtesy of Sherrie Thai
