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Behierite

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SKY563766

Behierite

Rare Mineral

Description Tabs

Description
Locality: 
Ampanodiana North Pegmatite, Andrembesoa, Betafo, Vakinankaratra, Madagascar
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.5 × 0.5 × 0.4 cm
Description

Grey crystals of the very rare mineral behierite, a Ta-Nb borate associated to pink rubellite. Behierite is a mineral only found in a very few localities worldwide, the majority of them in Madagascar.

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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