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Yingjiangite Phosphuranylite & Studtite

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SCH508743

Yingjiangite Phosphuranylite & Studtite

Description Tabs

Description
Locality: 
Menzenschwand, St Blasien, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.5 × 1.6 cm
Description

Intense yellow coloured yingjiangite crystal crusts, richly on matrix, associated with several tufts of studtite needles abd phosphuranylite tabular crystal aggregates. Much better than in photos. Very nice and rare!

Mineral Data
What's on the rock

Yingjiangite

Formula: 
K2Ca(UO2)7(PO4)4(OH)6·6H2O
Strunz: 
8.EC.10
Hardness: 
3.0 - 4.0
Type Locality: 
Uranium occurrence, Tongbiguan, Yingjiang Co., Dehong Autonomous Prefecture, Yunnan Province, China

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

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)
schani

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