Colemanite (CaB3O4(OH)3·H2O) is a borate mineral found in evaporite deposits of alkaline lacustrine environments. Colemanite is a secondary mineral that forms by alteration of borax and ulexite. It was first described in 1884 for an occurrence near Furnace Creek in Death Valley and was named after William Tell Coleman (1824–1893), owner of the ...
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http://en.wikipedia.org/wiki/Colemanite
• (n.) A hydrous borate of lime occurring in transparent colorless or white crystals, also massive, in Southern California.
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http://thinkexist.com/dictionary/meaning/colemanite/
borate mineral, hydrated calcium borate (Ca2B6O115H2O) that was the principal source of borax until the 1930s. It typically occurs as colourless, ... [3 related articles]
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http://www.britannica.com/eb/a-z/c/108
Cole'man·ite noun [ From W.T.
Coleman of San Francisco.]
(Min.) A hydrous borate of lime occurring in transparent colorless or white crystals, also massive, in Southern California.
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http://www.encyclo.co.uk/webster/C/107
Colemanite, named after W.T. Coleman of San Francisco, is a hydrous borate of lime occurring in transparent colourless or white crystals, also massive, in Southern California. It is a major source of borax and has a relative hardness of 5. It occurs in high temperature hydrothermal veins or disseminated in metamorphic rocks associated with other co...
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http://www.probertencyclopaedia.com/browse/HC.HTM
a mineral, hydrous calcium borate, CaBO&multiplydot;5HO, occurring in colorless or milky-white crystals.
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https://www.infoplease.com/dictionary/colemanite
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