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Vandendriesscheite Ianthinite & Schoepite

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JYJ750166

Vandendriesscheite Ianthinite & Schoepite

XRD & EDS conf. specimen no 11-09-sh

Description Tabs

Description
Locality: 
Shinkolobwe Mine, Shinkolobwe, Kambove, Haut-Katanga, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.2 × 1.1 cm
Description

Orange face rich vandendriesscheite crystals (EDS: U/Pb ratio ~6.7 (7.0)), that were also P-XRD studied (analysis attached; some more orange-red material was xrayed as impurity: fourmarierite)  associated with P-XRD confirmed yellow laths of schoepite & ianthinite, that have small yellow schoepite rectangulars attached to. Sample might also small amounts of an undefined greenish Cu-U hydroxide? with unassignable powder diffraction data. 

Mineral Data
What's on the rock

Vandendriesscheite

Formula: 
PbU7O22·12H2O
Strunz: 
4.GB.40
Hardness: 
3.0
Type Locality: 
Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Ianthinite

Formula: 
U4+(UO2)5O7·10H2O
Strunz: 
4.GA.10
Crystal System: 
Orthorhombic
Hardness: 
2.0 - 3.0
Type Locality: 
Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Schoepite

Formula: 
(UO2)8O2(OH)12·12H2O
Strunz: 
4.GA.05
Hardness: 
2.5
Streak: 
Yellow
Type Locality: 
Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)
Analysis
Analysis Report - only: Vandendriesscheite Ianthinite & Schoepite
Analysis Report - only: Vandendriesscheite Ianthinite & Schoepite
Analysis Report - only: Vandendriesscheite Ianthinite & Schoepite