IMA mineral species

Tolovkite

IrSbS

Iridium sulfoantimonide.

Tolovkite specimen
Tolovkite Irarsite Kashinite & Iridium.jpg · Wikimedia Commons (see file page for author & license)

Properties

⚖ Density10.255 g/cm³
Very heavy
🔷 Cubic✏️ streak black
Chemical formulaIrSbS
ElementsIr, Sb, S
Crystal systemCubic
Mohs hardness—
Density10.255 g/cm³
Streakblack
Color—
IMA symbolTol
Nickel–Strunz class2.EB.25

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