colemanite

[ kohl-muh-nahyt ]

noun
  1. a mineral, hydrous calcium borate, Ca2B6O11⋅5H2O, occurring in colorless or milky-white crystals.

Origin of colemanite

1
Named in 1884 after W. T. Coleman of San Francisco, in whose mine it was found; see -ite1

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British Dictionary definitions for colemanite

colemanite

/ (ˈkəʊlməˌnaɪt) /


noun
  1. a colourless or white glassy mineral consisting of hydrated calcium borate in monoclinic crystalline form. It occurs with and is a source of borax. Formula: Ca 2 B 6 O 11 .5H 2 O

Origin of colemanite

1
C19: named after William T. Coleman (1824–93), American pioneer, owner of the mine in which it was discovered

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