IMA mineral species

Peterandresenite

Mn₄Nb₆O₁₉·14H₂O

Polyoxometalate mineral (Lindqvist ion).

Orange

Peterandresenite specimen
Peterandresenite AndreRobbemond FOV03mm-5.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaMn₄Nb₆O₁₉·14H₂O
ElementsMn, Nb, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolPan

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

🌍 Where it's found

Type locality (where it was first described): Tuften quarry, Norway