IMA mineral species

Kottenheimite

Ca₃Si(SO₄)₂(OH)₆·12H₂O

Sulfate mineral.

Kottenheimite specimen
Kottenheimite-607206.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa₃Si(SO₄)₂(OH)₆·12H₂O
ElementsCa, Si, S, O, H
Crystal systemHexagonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolKhm

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

🌍 Where it's found

Type locality (where it was first described): Caspar quarry, 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.