IMA mineral species

Ammoniovoltaite

(NH₄)₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂(H₂O)₁₈

Hydrous sulfate mineral.

Properties

Chemical formula(NH₄)₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂(H₂O)₁₈
ElementsN, H, Fe, Al, S, O
Crystal systemCubic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolAvlt

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

🌍 Where it's found

Type locality (where it was first described): Kambalny, Russia

  • 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.