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Nielsbohrite

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CAM503017

Nielsbohrite

Type Locality

Description Tabs

Description
Locality: 
Krunkelbach Valley, Menzenschwand, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.8 × 0.5 × 0.4 cm
Description

A small but excellent example of Nielsbohrite, a very rare potassium-uranyl-arsenate, from the Type Locality with a good coverage of tiny yellow euhedral-rhombohedral-like crystals on matrix associated with crystalline masses of probably yellow schoepite.

Mineral Data
What's on the rock

Nielsbohrite

Formula: 
K(UO2)3(AsO4)(OH)4·H2O
Hardness: 
2.0 - 0.0
Colour: 
yellow
Streak: 
yellowish
Type Locality: 
Krunkelbach Valley Uranium deposit, Menzenschwand, Black Forest, Baden-Württemberg, Germany
Cartils Minerals

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