Vauqelinite

Roman Kanich·July 17, 2022·0 comments

Clades: Phosphates; Chromates.
Chemical: Pb2Cu(CrO4)(PO4)(OH).
Colour: olive-green, apple-green, brown to nearly black.
Lustre: Adamantine, Resinous.
Hardness: 2½ to 3./

Specific Gravity: 6.16.
Crystal System: Monoclinic.