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boracite

[ bawr-uh-sahyt, bohr- ]

noun

  1. a strongly pyroelectric mineral, a borate and chloride of magnesium, Mg 6 Cl 2 B 14 O 26 , occurring in white or colorless cubic crystals or fine-grained masses.


boracite

/ ˈbɔːrəˌsaɪt /

noun

  1. a white mineral that forms salt deposits of magnesium borate and chloride in orthorhombic crystalline form. Formula: Mg 3 ClB 7 O 13
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of boracite1

1800–10; borac- (stem of borax 1 ) + -ite 1
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Example Sentences

It may also be obtained by the decomposition of boracite with hot hydrochloric acid.

Various explanations have been offered to account for these “optical anomalies” of boracite.

The sanjak is rich in mineral wealth; silver mines are worked at Balia and boracite mines at Susurlu.

Tetrahedrite, blende, diamond, boracite and pharmacosiderite are substances which crystallize in this class.

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boracicborage