IMA mineral species

Talnakhite

Cu₉Fe₈S₁₆

Sulfide mineral.

YellowGoldMulticolor & Iridescent

Talnakhite specimen
Putoranite, Talnakhite - Mineralogisches Museum Bonn3.jpg · Wikimedia Commons (see file page for author & license)

Properties

⚖ Density4.29 g/cm³
Heavy
Chemical formulaCu₉Fe₈S₁₆
ElementsCu, Fe, S
Crystal systemCubic
Mohs hardness—
Density4.29 g/cm³
Streak—
Color—
IMA symbolTlk
Nickel–Strunz class2.CB.10b

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

🌍 Where it's found

Type locality (where it was first described): Talnakh ore field, Russia · Severniy mine, Russia