IMA mineral species

Murunskite

K₂(Cu,Fe)₄S₄

Sulfide mineral.

Properties

Chemical formulaK₂(Cu,Fe)₄S₄
ElementsK, Cu, Fe, S
Crystal systemTetragonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolMu
Nickel–Strunz class2.BD.30

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

🌍 Where it's found

Type locality (where it was first described): Murunskii massif, Russia