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Schiavinatoite

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Schiavinatoite

Classic Locality

Description Tabs

Description
Locality: 
Ampanodiana South Pegmatite, Andrembesoa, Betafo, Vakinankaratra, Madagascar
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 3 × 2.5 cm
Largest Crystal: 
0.80cm
Description

specimen with a very good and large crystal (8 mm) of the extremely rare mineral schiavinatoite on/in matrix

the schiavinatoite is the niobium analogue of béhierite

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

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