Minerals identify

Know how to recognize them

Georgerobinsonite

Mineral

Georgerobinsonite, named for George Willard Robinson is a lead Pb4(CrO4)2(OH)2FCl. It exhibits very small, transparent crystals with a bright orange-red color. It was obtained from the Mammoth-St. Anthony Mine in Arizona in the 1940s and identified in 2009.

Identification

Color of mineral

Orange
Red

Mohs scale ( mineral hardness )

2.5
3

The streak

Orange

Luster ( interacts light )

Adamantine

Crystal ( diaphaneity )

Orthorombic