smoky quartz
1Smoky quartz — Smoky or smokey quartz is a brown to black variety of quartz.[1] Like other quartz gems, it is a silicon dioxide crystal. The smoky colour results from free silicon, formed from the silicon dioxide by natural irradiation …
2Smoky quartz — Smoky Smok y, a. [Compar. {Smokier}; superl. {Smokiest}.] 1. Emitting smoke, esp. in large quantities or in an offensive manner; fumid; as, smoky fires. [1913 Webster] 2. Having the appearance or nature of smoke; as, a smoky fog. Unlustrous as… …
3smoky quartz — n. CAIRNGORM …
4smoky quartz — a smoky yellow to dark brown or black variety of quartz, used as a gem. Also called cairngorm, Cairngorm stone. [1830 40] * * * Common, coarse grained variety of quartz that ranges in colour from nearly black through smoky brown. No distinct… …
5smoky quartz — smok′y quartz′ n. mir jew a smoky yellow to dark brown or black variety of quartz, used as a gem • Etymology: 1830–40 …
6smoky quartz — noun a smoky yellow or brown quartz • Syn: ↑cairngorm • Hypernyms: ↑quartz …
7smoky quartz — noun A brown to black variety of quartz …
8smoky quartz — noun a semi precious variety of quartz ranging in colour from light greyish brown to nearly black …
9smoky quartz — noun Date: 1837 cairngorm …
10Smoky — Smok y, a. [Compar. {Smokier}; superl. {Smokiest}.] 1. Emitting smoke, esp. in large quantities or in an offensive manner; fumid; as, smoky fires. [1913 Webster] 2. Having the appearance or nature of smoke; as, a smoky fog. Unlustrous as the… …