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Carlosbarbosaite

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GFM1037873

Carlosbarbosaite

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Description
Locality: 
Berere Pegmatite, Bekapaika, Tsaratanàna,, Betsiboka, Madagascar
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.5 × 0.9 cm
Description

The extremely rare Uranium-Niobium-Oxy-Hydroxide forms yellow, up to 1 cm large crystal aggregates on flat fracture zones in black Columbite-(Fe). Outstandingly good specimens from a new find.

Mineral Data
What's on the rock

Carlosbarbosaite

Formula: 
(UO2)2Nb2O6(OH)2·2H2O
Hardness: 
0.0
Type Locality: 
Jaguaraçu pegmatite (José Miranda mine; José Pinto mine; Carneirinho mine), Jaguaraçu, Minas Gerais, Brazil

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Start 25 Mar 18:00
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$12.50

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