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smoky quartz definitions

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WordNet (r) 3.0 (2005)

n
1: a smoky yellow or brown quartz [syn: cairngorm, smoky quartz]

Merriam Webster's

noun Date: 1837 cairngorm

Britannica Concise

Common, coarse-grained variety of quartz that ranges in color from nearly black through smoky brown. No distinct boundary exists between smoky and colorless quartz. Its abundance causes it to be worth considerably less than either amethyst or citrine. Heating bleaches the stone, the color sometimes passing through yellow; these yellow pieces are often sold as citrine.

Webster's 1913 Dictionary

Smoky Smok"y, a. [Compar. Smokier; superl. Smokiest.] 1. Emitting smoke, esp. in large quantities or in an offensive manner; fumid; as, smoky fires. 2. Having the appearance or nature of smoke; as, a smoky fog. ``Unlustrous as the smoky light.'' --Shak. 3. Filled with smoke, or with a vapor resembling smoke; thick; as, a smoky atmosphere. 4. Subject to be filled with smoke from chimneys or fireplace; as, a smoky house. 5. Tarnished with smoke; noisome with smoke; as, smoky rafters; smoky cells. 6. Suspicious; open to suspicion. [Obs.] --Foote. Smoky quartz (Min.), a variety of quartz crystal of a pale to dark smoky-brown color. See Quartz.