IMA mineral species

Villyaellenite

MnMn₂Ca₂(AsO₄)₂(HAsO₄)₂ * 4H₂O

Hydrous arsenate mineral.

Villyaellenite specimen
Krautite-Villyaellenite-757723.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaMnMn₂Ca₂(AsO₄)₂(HAsO₄)₂ * 4H₂O
ElementsMn, Ca, As, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolVy
Nickel–Strunz class8.CB.10

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