IMA mineral species

Eldfellite

NaFe³⁺(SO₄)₂

Sulfate mineral.

Properties

Chemical formulaNaFe³⁺(SO₄)₂
ElementsNa, Fe, S, O
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolEdf
Nickel–Strunz class7.AC.15

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

🌍 Where it's found

Type locality (where it was first described): Eldfell, Iceland

  • 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.