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Schiavinatoite & Behierite

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CHP885359

Schiavinatoite & Behierite

Rare Mineral

Description Tabs

Description
Locality: 
Ampanodiana South Pegmatite, Andrembesoa, Betafo, Vakinankaratra, Madagascar
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.9 × 1.8 cm
Description

specimen with a fantastic dark gray crystal of schiavinatoite with associate cream colour beautiful crystals of behierite.

c. 3287

Mineral Data
What's on the rock

Schiavinatoite

Formula: 
(Nb,Ta)(BO4)
Strunz: 
6.AC.15
Crystal System: 
Tetragonal
Hardness: 
8.0
Streak: 
White
Type Locality: 
Antsongombato gem mine, FKT Antsentsindrano, Andrembesoa Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar

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

Seller Information

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