IMA mineral species

Georgerobinsonite

Pb₄(CrO₄)₂(OH)₂FCl

Hydrous chromate mineral.

RedOrange

Properties

Chemical formulaPb₄(CrO₄)₂(OH)₂FCl
ElementsPb, Cr, O, H, F, Cl
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolGrb

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

🌍 Where it's found

Type locality (where it was first described): Mammoth-Saint Anthony mine, United States