Albrechtschraufite

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What is Albrechtschraufite?

Albrechtschraufite is a very rare complex hydrated calcium and magnesium-bearing uranyl fluoride carbonate mineral with formula Ca4Mg(UO2)2(CO3)6F2·17H2O. Its molar weight is 1,428.98 g, color yellow-green, streak white, density 2.6 g/cm, Mohs hardness 2-3, and luster is vitreous (glassy). It is named after Albrecht Schrauf (1837–1897), Professor of Mineralogy, University of Vienna. Its type locality is Jáchymov, Jáchymov District, Krušné Hory Mountains, Karlovy Vary Region, Bohemia, Czech Republic.

Albrechtschraufite Market Value Calculator

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Albrechtschraufite Localities Map

See where Albrechtschraufite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

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North ZoneCentral RidgeSouth Basin

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Quick Facts

Physical Properties

Color
Yellow-green
Hardness (Mohs)
2 - 3
Density
2.67 g/cm³
Streak
White

Chemical Properties

Chemical Formula
Ca4Mg(UO2)2(CO3)6F2 · 17-18H2O
Elements
C, Ca, F, H, Mg, O, U
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