Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Natrouranospinite

Views:
Watches:
FNW67980

Natrouranospinite

Rare Mineral

Description Tabs

Description
Locality: 
Eureka Mine, Castell-estaó, La Torre de Cabdella, La Vall Fosca, Lleida, Catalonia, Spain
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 5.3 × 1.2 cm
Description

A specimen of this rare, pale yellow-green, hydrated uranyl arsenate of Na and Ca, Natrouranospinite.

As you can see, the specimen fluoresce bright green under UV illumination. Magnification is essential.

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...
Fine Minerals World