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Althupite

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SKY888424

Althupite

Type Locality

Description Tabs

Description
Locality: 
Kobokobo Pegmatite, Mwenga, South Kivu, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.5 × 1.5 cm
Description

Really outstanding yellow crystals of the extremely rare Th-U mineral althupite from the type and only known loclaity worldwide in Kobokobo.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Althupìte is one of the only 5 mineral species that have at the same time Thorium and Uranium in the chemical compostition (being the others: Ciprianiite,  Coutinhoite, Euxenite-(Y), Thorutite)(source Mindat).

Probably analyzed by the former owner of the specimen (the Vandenbroucke Museum, but the analysis is no longer available)

No duplicates available.

 

Mineral Data
What's on the rock

Althupite

Formula: 
AlTh(UO2)7(PO4)4(OH)5O2·15H2O
Strunz: 
8.EC.25
Crystal System: 
Triclinic
Hardness: 
3.5 - 4.0
Colour: 
Yellow
Streak: 
Yellow
Type Locality: 
Kobokobo pegmatite, Mwenga, Sud-Kivu, Democratic Republic of Congo (Zaïre)

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