English

Noun

xanthoconite ‎(uncountable)

1. (mineralogy) A mineral containing silver, arsenic, and sulphur.
   • 1948, Economic Geology, Bulletin of the Society of Economic Geologists

     Proustite, always 10 to 20 times more abundant than xanthoconite, formed clusters attached to the lining of the bomb. Xanthoconite occurred in single unattached crystals which were concentrated in the upper part of the solids left in the bomb […]