IMA mineral species

Grayite

(Th,Pb,Ca)(PO₄)·H₂O

Phosphate mineral.

RedYellowBrownGray

Grayite specimen
RM2111-Grayite-erongo-c.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula(Th,Pb,Ca)(PO₄)·H₂O
ElementsTh, Pb, Ca, P, O, H
Crystal systemHexagonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolGry
Nickel–Strunz class8.CJ.45

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