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colemanite
[ kohl-muh-nahyt ]
noun
- a mineral, hydrous calcium borate, Ca 2 B 6 O 11 ⋅5H 2 O, occurring in colorless or milky-white crystals.
colemanite
/ ˈkəʊlməˌnaɪt /
noun
- 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
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Word History and Origins
Origin of colemanite1
Named in 1884 after W. T. Coleman of San Francisco, in whose mine it was found; -ite 1
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Word History and Origins
Origin of colemanite1
C19: named after William T. Coleman (1824–93), American pioneer, owner of the mine in which it was discovered
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Example Sentences
The salts contained in these deposits are mainly borax, ulexite, and colemanite.
From Project Gutenberg
The colemanite occurs in irregular milky-white layers or nodules, mingled with more or less gypsum.
From Project Gutenberg
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