IMA mineral species

Fettelite

[Ag₆As₂S₇][Ag₁₀HgAs₂S₈]

Sulfosalt mineral.

RedPurple

Fettelite specimen
Fettelite - Chanarcillo, Copiapo Province, Atacama Region, Chile.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula[Ag₆As₂S₇][Ag₁₀HgAs₂S₈]
ElementsAg, As, S, Hg
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolFtt
Nickel–Strunz class2.LA.30

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