IMA mineral species

Carlsonite

(NH₄)₅Fe³⁺₃O(SO₄)₆·7H₂O

Hydrous sulfate mineral.

Properties

Chemical formula(NH₄)₅Fe³⁺₃O(SO₄)₆·7H₂O
ElementsN, H, Fe, O, S
Crystal systemTriclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolCsn

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

🌍 Where it's found

Type locality (where it was first described): Milan, United States

  • 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.