IMA mineral species

Minnesotaite

Fe²⁺₃Si₄O₁₀(OH)₂

Phyllosilicate mineral.

GreenGray

Minnesotaite specimen
Minnesotaite.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaFe²⁺₃Si₄O₁₀(OH)₂
ElementsFe, Si, O, H
Crystal systemTriclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolMns
Nickel–Strunz class9.EC.05

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

🌍 Where it's found

Type locality (where it was first described): Cuyuna Range, United States · Mesabi Range, 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.