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Alumotantite

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Alumotantite

Rare Mineral

Description Tabs

Description
Locality: 
Alto do Giz Pegmatite, Equador, Borborema Province, Rio Grande do Norte, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
0.8 × 1 × 0.6 cm
Largest Crystal: 
0.20cm
Description

rare aluminum-tantalum-oxide forms colourless to pale greenish glassy crystal aggregates of 2 mm in a orange brownish simpsonite crystal

 

Mineral Data
What's on the rock

Alumotantite

Formula: 
AlTaO4
Strunz: 
4.DB.55
Crystal System: 
Orthorhombic
Hardness: 
7.5
Type Locality: 
Vasin-Myl'k Mt, Voron'i Tundry, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...