pyrargyrite

American  

[pahy-rahr-juh-rahyt] / paɪˈrɑr dʒəˌraɪt /

noun

1. a blackish mineral, silver antimony sulfide, AgSbS 3 , showing, when transparent, a deep ruby-red color by transmitted light; ruby silver: an ore of silver.

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pyrargyrite British  

/ paɪˈrɑːdʒɪˌraɪt /

noun

1. a dark red to black mineral consisting of silver antimony sulphide in hexagonal crystalline form: occurs in silver veins and is an important ore of silver. Formula: Ag 3 SbS 3

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Etymology

Origin of pyrargyrite

1840–50; pyr- + Greek árgyr ( on ) silver + -ite ¹

Example Sentences

Antimony, however, occurs chiefly as the sulphide, stibnite; to a much smaller extent it occurs in combination with other metallic sulphides in the minerals wolfsbergite, boulangerite, bournonite, pyrargyrite, &c.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various

It is found native, and also combined with sulphur, arsenic, antimony, chlorine, etc., in the minerals argentite, proustite, pyrargyrite, ceragyrite, etc.

From The Gutenberg Webster's Unabridged Dictionary Section S by Project Gutenberg

Before the Bp. on Ch. it behaves like pyrargyrite, save that it gives off arsenical fumes instead of antimonious oxide.

From The Elements of Blowpipe Analysis by Getman, Frederick Hutton