IMA mineral species

Plavnoite

K₀.₈Mn₀.₆[(UO₂)₂O₂(SO₄)]·3.5H₂O

Hydrous uranyl sulfate mineral.

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

Properties

Chemical formulaK₀.₈Mn₀.₆[(UO₂)₂O₂(SO₄)]·3.5H₂O
ElementsK, Mn, U, O, S, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolPvn

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

🌍 Where it's found

Type locality (where it was first described): Plavno mine, Czech Republic