IMA mineral species

Perroudite

Hg₅Ag₄S₅(I,Br)₂Cl₂

Halide-sulfide mineral.

Perroudite specimen
Perroudite.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaHg₅Ag₄S₅(I,Br)₂Cl₂
ElementsHg, Ag, S, I, Br, Cl
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolPro
Nickel–Strunz class2.FC.20c

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

🌍 Where it's found

Type locality (where it was first described): Cap Garonne mine, France