smoky quartz(redirected from Cairngormstone)
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Related to Cairngormstone: smoky topaz
smoky quartz[′smōk·ē ′kwȯrts]
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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.