colemanite

noun
cole·​man·​ite | \ ˈkōl-mə-ˌnīt How to pronounce colemanite (audio) \

Definition of colemanite

: a colorless or white mineral consisting of a hydrous calcium borate occurring in monoclinic crystals

First Known Use of colemanite

1884, in the meaning defined above

History and Etymology for colemanite

William T. Coleman †1893 American businessman and mine owner

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Time Traveler for colemanite

The first known use of colemanite was in 1884

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Britannica.com: Encyclopedia article about colemanite

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one from the Upper Peninsula of Michigan

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