Crystopedia
IMA mineral species

Jarosite

KFe³⁺₃(SO₄)₂(OH)₆

Alunite supergroup, sulfate mineral.

YellowGoldBrown

Jarosite specimen
Jarosite-114913.jpg · Wikimedia Commons (see file page for author & license)

Properties

🔷 Hexagonal
Chemical formulaKFe³⁺₃(SO₄)₂(OH)₆
ElementsK, Fe, S, O, H
Crystal systemHexagonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolJrs
Nickel–Strunz class7.BC.10

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

🌍 Where it's found

Type locality (where it was first described): Jaroso Ravine, Spain

  • 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.

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