arsenopyrite

American  

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

noun

1. 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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arsenopyrite British  

/ ˌɑːsɪnəʊˈpaɪraɪt, ɑːˌsɛnə- /

noun

1. 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

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Etymology

Origin of arsenopyrite

First recorded in 1880–85; arseno- + pyrite

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Example Sentences

See Examples For:

arsenopyrite

The pyrite has a small amount of arsenopyrite in it, and when this is burned arsenious oxide is formed as a vapor together with sulphur dioxide: 2FeAsS + 10O = Fe2O3 + As2O3 + 2SO2.

From An Elementary Study of Chemistry by William McPherson

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

From An Elementary Study of Chemistry by William McPherson

The former deposits contain arsenopyrite and copper-bearing pyrite impregnating a mica-quartz-schist, adjacent to and in apparent genetic relation with aplite or pegmatite intrusives.

From The Economic Aspect of Geology by C. K. (Charles Kenneth) Leith

Examine metallic arsenic, realgar, orpiment, arsenopyrite, arsenic trioxide, copper arsenite.

From An Introduction to Chemical Science by Rufus Phillips Williams

It is very widely distributed, being sometimes found native, and sometimes combined, as AsS, realgar, As2S8, orpiment, and FeAsS, arsenopyrite.

From An Introduction to Chemical Science by Rufus Phillips Williams

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