IMA mineral species

Chlorothionite

K₂Cu(SO₄)Cl₂

Sulfate mineral.

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

Properties

Chemical formulaK₂Cu(SO₄)Cl₂
ElementsK, Cu, S, O, Cl
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolCtn
Nickel–Strunz class7.BC.25

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

🌍 Where it's found

Type locality (where it was first described): Mount Vesuvius, 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.