IMA mineral species

Afmite

Al₃(OH)₄(H₂O)₃(PO₄)(PO₃OH)·H₂O

Hydrous phosphate mineral.

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

Properties

Chemical formulaAl₃(OH)₄(H₂O)₃(PO₄)(PO₃OH)·H₂O
ElementsAl, O, H, P
Crystal systemTriclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolAfm
Nickel–Strunz class8.DD.15

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

🌍 Where it's found

Type locality (where it was first described): Fumade, France