xanthoconite

xanthoconite

[zan′thäk·ə‚nīt]
(mineralogy)
Ag3 AsS3 A dark red to dull orange to clove brown mineral consisting of silver arsenic sulfide.
References in periodicals archive ?
In there as well may be tiny white calcite crystals, micro-crystals of chalcopyrite, and microcrystals of several rare species including xanthoconite.
1882 Stephanite, Xanthoconite and Proustite, Cobalt, Ontario, Canada, no.
Matrix, when present, is a dark gray, silicified mixture of silver sulfides and sulfosalts, with tiny wires of silver and microcrystals of xanthoconite and imiterite.
In addition to galena and barite, proustite is usually associated with xanthoconite and pyrargyrite.
The mineralization consisted of patches, grains and intergrowths of argentite/acanthite, proustite, xanthoconite, smithite, miargyrite, argyrodite, unidentified bismuth sulfosalts (Gasparrini, 1978), jordanite, pyrargyrite and gersdorffite (Taylor, 1984).
In 1996 a single 1-mm, orange, thin-tabular hexagonal platelet of twinned xanthoconite was found with pyrostilpnite and pyrargyrite in the newly opened Potosi vein.