IMA mineral species

Vyalsovite

FeCaAlS(OH)₅

Sulfide mineral.

Properties

Chemical formulaFeCaAlS(OH)₅
ElementsFe, Ca, Al, S, O, H
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolVyl
Nickel–Strunz class2.FD.45

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

🌍 Where it's found

Type locality (where it was first described): Komsomol'skii mine, 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.