[pyr.ar.gy.rite] n [G Pyrargyrit, fr. Gk pyr- + argyros silver--more at argent] (1849): a mineral consisting of silver antimony sulfide that occurs in rhombohedral crystals or in massive form and has a dark red or black color with a metallic luster
PYRARGYRITE
Meaning of PYRARGYRITE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012