Georgerobinsonite
A variety of Minerals
What is Georgerobinsonite?
Georgerobinsonite, named for George Willard Robinson, is a lead chromate mineral with formula 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.
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Georgerobinsonite Localities Map
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Key Characteristics
Characteristics of Georgerobinsonite
Georgerobinsonite is a soft, brittle mineral that forms crystals less than 0.1 mm (0.0039 in) across. The mineral possesses a pale-orange streak and an adamantine luster. It is most strongly associated with cerussite and diaboleite.
Quick Facts
Chemical Properties
- Chemical Formula
- Pb4(CrO4)2(OH)2FCl
- Elements
- Cl, Cr, F, H, O, Pb
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