Pyrargyrite

Pyrargyrite is a sulfosalt mineral consisting of silver sulfantimonide, Ag3SbS3. Known also as dark red silver ore or ruby silver, it is an important source of the metal. It is closely allied to, and isomorphous with, the corresponding sulfarsenide known as proustite or light red silver ore. Ruby silver or red silver ore (German Rotgiiltigerz) was...
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Pyrargyrite

• (n.) Ruby silver; dark red silver ore. It is a sulphide of antimony and silver, occurring in rhombohedral crystals or massive, and is of a dark red or black color with a metallic adamantine luster.
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Pyrargyrite

Py·rar'gy·rite noun [ Greek ... fire + ... silver.] (Min.) Ruby silver; dark red silver ore. It is a sulphide of antimony and silver, occurring in rhombohedral crystals or massive, and is of a dark red or black color with a metallic adamantine luster.
Found on http://www.encyclo.co.uk/webster/P/203

pyrargyrite

a sulfosalt mineral, a silver antimony sulfide (Ag3SbS3), that is an important source of silver, sometimes called ruby silver because of its deep ...
Found on http://www.britannica.com/eb/a-z/p/137

Pyrargyrite

Silver thioantimonite
Found on http://www.translationdirectory.com/glossaries/glossary075.htm
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