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Becquerelite & Johannite

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JYJ669096

Becquerelite & Johannite

Description Tabs

Description
Locality: 
Val Daone Mine, Limes, Daone, Chiese Valley, Trento Province, Trentino-Alto Adige, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 3.7 × 1.3 cm
Description

Yellow becquerelite, johannite and uraninite matrix. 

Interesting material from Val Daone, known for the alwilkinsite-Y. 

 

Mineral Data
What's on the rock

Becquerelite

Formula: 
Ca(UO2)6O4(OH)6·8H2O
Strunz: 
4.GB.10
Crystal System: 
Orthorhombic
Hardness: 
2.5
Streak: 
Yellow
Type Locality: 
Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Johannite

Formula: 
Cu(UO2)2(SO4)2(OH)2·8H2O
Strunz: 
7.EB.05
Crystal System: 
Triclinic
Hardness: 
2.0 - 2.5
Colour: 
Emerald-green
Type Locality: 
Elias Mine, Jáchymov, Krušné Hory, Karlovy Vary, Bohemia, Czech Republic