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arsenopyrite

[ ahr-suh-noh-pahy-rahyt, ahr-sen-uh- ]
/ ˌɑr sə noʊˈpaɪ raɪt, ɑrˌsɛn ə- /
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noun

a common mineral, iron arsenic sulfide, FeAsS, occurring in silver-white to steel-gray crystals or masses: an ore of arsenic.

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Also called mispickel.

Origin of arsenopyrite

First recorded in 1880–85; arseno- + pyrite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for arsenopyrite

arsenopyrite
/ (ˌɑːsɪnəʊˈpaɪraɪt, ɑːˌsɛnə-) /

noun

a white or grey metallic mineral consisting of a sulphide of iron and arsenic that forms monoclinic crystals with an orthorhombic shape: an ore of arsenic. Formula: FeAsSAlso called: mispickel
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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