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smoky quartz |
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smoky quartzCommon, coarse-grained variety of quartz that ranges in colour from nearly black through smoky brown. No distinct boundary exists between smoky and colourless quartz. Its abundance causes it to be worth considerably less than either amethyst or citrine. Heating bleaches the stone, the colour sometimes passing through yellow; these yellow pieces are often sold as citrine. smoky quartz [′smōk·ē ′kwȯrts] (mineralogy) A smoky-yellow, smoky-brown, or brownish-gray, often transparent variety of crystalline quartz containing inclusions of carbon dioxide; may be used as a semiprecious stone. Also known as cairngorm; smokestone. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Near the hotel site, preserved in the earth's strata, an ancient wigwam site contalned large quantities of smoky quartz. 1) Smokey Quartz Rings: Smoky Quartz jewelry has recently been making inroads with dark harmonic looks and sophisticated chocolate colors. The observations from drill holes LE04-90, LE04-91 and LE04-92 confirm the presence of two types of gold-bearing quartz, namely a translucid smoky quartz and a saccharoide textured translucid quartz. |
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