IMA mineral species

Steropesite

Tl₃BiCl₆

Halide mineral.

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

Properties

⚖ Density5.689 g/cm³
Very heavy
Chemical formulaTl₃BiCl₆
ElementsTl, Bi, Cl
Crystal systemMonoclinic
Mohs hardness—
Density5.689 g/cm³
Streak—
Color—
IMA symbolStrp
Nickel–Strunz class3.CK.05

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

🌍 Where it's found

Type locality (where it was first described): La Fossa crater, Italy

  • Type locality
  • Notable source / deposit
  • Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.