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Sapphirine

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ESM211857

Sapphirine

Description Tabs

Description
Locality: 
Morafeno, Tranomaro, Amboasary Sud, Anosy, Madagascar
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 4.1 × 2.7 cm
Description

Dark blue sapphirine crystals with phlogopite crystals

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