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Dewindtite & Autunite

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UVM584594

Dewindtite & Autunite

Radioactive

Description Tabs

Description
Locality: 
La Faye Mine, Grury, Saône-et-Loire, Bourgogne-Franche-Comté, France
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 1.9 cm
Description

Nice yellow crystals and masses of Dewindtite on matrix, with minor Autunite.   Dewindtite is an uncommon lead uranyl phosphate first found at Shinkolobwe.

Mineral Data
What's on the rock

Dewindtite

Formula: 
H2Pb3(UO2)2(PO4)4O4·12H2O
Strunz: 
8.EC.10
Crystal System: 
Orthorhombic
Hardness: 
0.0
Type Locality: 
Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Autunite

Formula: 
Ca(UO2)2(PO4)2·11H2O
Strunz: 
8.EB.05
Crystal System: 
Tetragonal
Hardness: 
2.0 - 2.5
Type Locality: 
Saint-Symphorien-de-Marmagne, Montcenis, Saône-et-Loire, Burgundy, France

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