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Becquerelite & Leesite

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JYJ837141

Becquerelite & Leesite

Description Tabs

Description
Locality: 
Jomac Mine, White Canyon, San Juan County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2.2 × 1.3 cm
Description

Yellow-orange leesite with becquerelite with powdery white to pale blue nickelalumite (XRD & EDS confirmed) and uranophane. Crystals are partly coated by gypsum. 

Analysis no 627. 

 

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)

Leesite

Formula: 
K(H2O)2[(UO2)4O2(OH)5]·3H2O
Crystal System: 
Orthorhombic
Colour: 
Yellow-orange
Type Locality: 
Jomac Mine, White Canyon, White Canyon District, San Juan Co., Utah, USA