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Sapphirine

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SHS840881

Sapphirine

Description Tabs

Description
Locality: 
Voronkafotra, Ianabinda, Betroka, Anosy, Madagascar
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 3.6 × 2.6 cm
Description

Nice blue sapphirine crystals on matrix

Mineral Data
What's on the rock

Sapphirine

Formula: 
(Mg,Fe)4-xAl4+x[Al4+xSi2-xO18]O2
Strunz: 
9.DH.45
Hardness: 
7.5
Type Locality: 
Fiskenæsset old harbour, Fiskenæsset (Fiskenaesset; Qeqertarsuatsiaat), Nuuk (Godthåb), Sermersooq, Greenland