smoky quartz
4 strand smoky quartz & pearl torsade
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| composition | silicon dioxide with trace quantities of aluminum |
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| name source | from the brownish "smoky" quality of some transparent quartz |
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| other accepted names | morion and cairngorm (after the mountains in Scotland where it's mined) |
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| historical aliases | smoky topaz (misleading), "stone of power" |
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| folkloric aliases | "the dream stone" |
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| color | transparent quartz that is brown, gray, or black |
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| color source | small amounts of aluminium or exposure to natural radiation |
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| significant sources | Brazil, Madagascar, Scotland, Switzerland (Alps) |
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| MOH scale | 7 |
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| care and treatment | Wash in warm soapy water or in ultrasonic jewelry cleaner. |
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