arsenopyrite

[ ahr-suh-noh-pahy-rahyt, ahr-sen-uh- ]

noun

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

arsenopyrite

/ ˌɑːsɪnəʊˈpaɪraɪt; ɑːˌsɛnə- /

noun

1. 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 Also calledmispickel

Word History and Origins

Origin of arsenopyrite¹

First recorded in 1880–85; arseno- + pyrite

Example Sentences

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