IMA mineral species

Roselite

Ca₂Co(AsO₄)₂·2H₂O

Arsenate mineral.

RedPink

Roselite specimen
Roselite-205449.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa₂Co(AsO₄)₂·2H₂O
ElementsCa, Co, As, O, H
Crystal systemMonoclinic
Mohs hardness3.5
Density—
Streakpink
Colorpink
IMA symbolRsl
Nickel–Strunz class8.CG.10

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

🌍 Where it's found

Type locality (where it was first described): Rappold mine, Germany