arsenopyrite

American

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

noun

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

arsenopyrite British

/ ˌɑːsɪnəʊˈpaɪraɪt, ɑːˌsɛnə- /

noun

Also called: mispickel. 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: FeAsS

"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

Etymology

Origin of arsenopyrite

First recorded in 1880–85; arseno- + pyrite

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

And it is full of arsenic trioxide, a compound that is produced by heating arsenopyrite ore, a mineral that has traces of gold.

From Economist

They are rather characteristic of the oxide zones of certain arsenical metallic ores, and are believed in many cases to have formed from arsenopyrite.

From Project Gutenberg

If arsenopyrite is heated in a current of air, what products are formed?

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023