pyrargyrite

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English[edit]

Etymology[edit]

From Ancient Greek πῦρ (pûr, fire) +‎ ἄργῠρος (árguros, silver).

Noun[edit]

pyrargyrite (plural pyrargyrites)

  1. (mineralogy) Ruby silver; dark red or black-coloured silver ore with a metallic adamantine luster, a sulphide of antimony and silver, Ag3SbS3, occurring in rhombohedral crystals