IMA mineral species

Orschallite

Ca₃(S⁴⁺O₃)₂(SO₄)·12H₂O

Hydrous calcium sulfite-sulfate mineral.

Orschallite specimen
Orschallite Schellkopf 1,5mm.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa₃(S⁴⁺O₃)₂(SO₄)·12H₂O
ElementsCa, S, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolOrs
Nickel–Strunz class4.JE.15

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

🌍 Where it's found

Type locality (where it was first described): Brohltal, Germany

  • 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.