IMA mineral species

Fengruiite

[Ag₆Sb₂S₇][Ag₉CuS₂Te₂]

Mineral.

Fengruiite specimen
Occurrence and mineral association of fengruiite (C).jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula[Ag₆Sb₂S₇][Ag₉CuS₂Te₂]
ElementsAg, Sb, S, Cu, Te
Crystal systemTrigonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolFen
Nickel–Strunz class2.GB.15

“—” means no reliable value in Wikidata yet. Check Mindat for full data.