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polybasite

[pol-ee-bey-sahyt, puh-lib-uh-sahyt] /ˌpɒl iˈbeɪ saɪt, pəˈlɪb əˌsaɪt/
noun
1.
a blackish mineral, Ag 9 SbS 6 : a minor ore of silver.
Origin of polybasite
1820-1830
1820-30; < German Polybasit. See poly-, base1, -ite1
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for polybasite

polybasite

/ˌpɒlɪˈbeɪsaɪt; pəˈlɪbəˌsaɪt/
noun
1.
a grey to black mineral consisting of a sulphide of silver, antimony, and copper in the form of platelike monoclinic crystals. It occurs in veins of silver ore. Formula: (Ag,Cu)16Sb2S11
Word Origin
C19: from poly- + base1 + -ite1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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