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Natrouranospinite

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JYJ626565

Natrouranospinite

Description Tabs

Description
Locality: 
Eureka Mine, Castell-estaó, La Torre de Cabdella, La Vall Fosca, Lleida, Catalonia, Spain
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.8 × 1.5 cm
Description

Pale yellow greenish natrouranospinite on matrix. Material was SEM-EDS confirmed and is much rare than andersonite. Under UV this mineral shows less fluorescence and more green colour compared to the greenish-blue fluorescence of andersonite.

References:

MTI Mineralogía Topográfica Ibérica, 2009

 

Mineral Data
What's on the rock

Natrouranospinite

Formula: 
(Na2,Ca)(UO2)2(AsO4)2·5H2O
Strunz: 
8.EB.15
Hardness: 
2.5
Type Locality: 
Bota-Burum U deposit, Lake Alakol (Lake Aaköl), Almaty Province (Almaty Oblysy; Almati Oblast'), Kazakhstan...