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chert |
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chert: see flint flint, variety of quartz that commonly occurs in rounded nodules and whose crystal structure is not visible to the naked eye. Flint is dark gray, smoky brown, or black in color; pale gray flint is called chert. ..... Click the link for more information. . chert [chərt] (petrology) A hard, dense, sedimentary rock composed of fine-grained silica, characterized by a semivitreous to dull luster and a splintery to conchoidal fracture; commonly gray, black, reddish brown, or green. Also known as hornstone; phthanite. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Chersonese chersophyte chert chert and flint chertification Chertoff, Michael Chertsey cherty cherub cherubim Cherubini Cherubini, Luigi chervil Cherwell Chesalon |
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