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Studtite & Phosphuranylite

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JYJ844150

Studtite & Phosphuranylite

Description Tabs

Description
Locality: 
Prévinquières, Entraygues-sur-Truyère, Aveyron, Occitanie, France
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2.1 × 0.8 cm
Description

Beige to colourless studtite associated with phosphuranylite from the Previnquieres mine, France. 

Analysed material. 

 

Mineral Data
What's on the rock

Studtite

Formula: 
[(UO2)(O2)(H2O)2]·H2O
Strunz: 
4.GA.15
Hardness: 
0.0
Type Locality: 
Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Phosphuranylite

Formula: 
(H3O)3KCa(UO2)7(PO4)4O4·8H2O
Strunz: 
8.EC.10
Hardness: 
2.5
Type Locality: 
Buchanan Mine, Waterhole Mine, (Buchanan pegmatite), Mitchell Co., North Carolina, USA