pyrargyrite

From Ancient Greek πῦρ (pûr, “fire”) + ἄργῠρος (árgŭros, “silver”). By surface analysis, pyr- +‎ argyr- +‎ -ite.

pyrargyrite (countable and uncountable, plural pyrargyrites)

1. (mineralogy) A sulfosalt mineral used as a silver ore; it is dark red or black in color with a metallic adamantine luster, a sulfide of antimony and silver, Ag₃SbS₃, and occurs in rhombohedral crystals.

   Synonym: ruby silver

• David Barthelmy (1997–2026), “Pyrargyrite”, in Webmineral Mineralogy Database.
• “pyrargyrite”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.

pyrargyrite f (plural pyrargyrites)

1. (mineralogy) pyrargyrite

• “pyrargyrite”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012