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more about chert
chert |
3 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Chert \Chert\, n. [Ir. ceart stone, perh. akin to E. crag.] (Min.) An impure, massive, flintlike quartz or hornstone, of a dull color. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Hornstone \Horn"stone`\, n. (Min.) A siliceous stone, a variety of quartz, closely resembling flint, but more brittle; -- called also {chert}. From WordNet r 1.6 [wn]: chert n : variety of silica containing microcrystalline quartz
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