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Grandidierite

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CAM75399

Grandidierite

Type Locality

Description Tabs

Description
Locality: 
Cap Andrahomana, Andranobory, Taolañaro, Anosy, Madagascar
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.7 × 1.6 cm
Description

A reference sample of grandidierite with dark bluish green grains and massses in the matrix from the Type Locality.

Mineral Data
What's on the rock

Grandidierite

Formula: 
(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Strunz: 
9.AJ.05
Hardness: 
7.5
Type Locality: 
Cap Andrahomana, Ranopiso Commune, Taolañaro District (Fort Dauphin), Anosy Region (Fort Dauphin Region), Tuléar Province (Toliara), Madagascar
Cartils Minerals

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