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Behierite

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SMM601238

Behierite

Rare Mineral

Description Tabs

Description
Locality: 
Tetezantsio, Andrembesoa, Betafo, Vakinankaratra, Madagascar
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 1.5 cm
Description

A very nice, tetragonal bipyramidal, sharp crystal of this rare borate of Ta and Nb.

Boxed with Label
Mineral Data
What's on the rock

Behierite

Formula: 
(Ta5+,Nb5+)(BO4)
Strunz: 
6.AC.15
Crystal System: 
Tetragonal
Hardness: 
7.0 - 7.5
Streak: 
White
Type Locality: 
Manjaka (Ampatika; Sahananana), Sahatany Valley, Sahatany Pegmatite Field (Mt Ibity area), Vakinankaratra Region, Antananarivo Province, Madagascar

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