clay mineral


Definition of clay mineral 

: any of a group of hydrous silicates of aluminum and sometimes other metals formed chiefly in weathering processes and occurring especially in clay and shale

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The claims rest on the fact that talc, a clay mineral, is often found in deposits alongside asbestos ore, which definitely is a cancer risk. David Meyer, Fortune, "Does J&J's Baby Powder Cause Cancer? A Jury Just Said Yes With an Enormous $4.69 Billion Penalty," 13 July 2018 Kaolin, one of Georgia’s largest natural resources, is a clay mineral with industrial applications such as paper coating, according to the New Georgia Encyclopedia. The Root, "Tracing Your Roots: Who Were My Grandparents?," 8 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'clay mineral.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of clay mineral

1937, in the meaning defined above

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The first known use of clay mineral was in 1937

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