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Kyanite

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SER684605

Kyanite

Description Tabs

Description
Locality: 
Barra do Salinas, Coronel Murta, Bahia, Brazil
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11.1 × 4.5 × 1.5 cm
Description

a group of elongated, blue kyanite crystals

Mineral Data
What's on the rock

Kyanite

Formula: 
Al2(SiO4)O
Strunz: 
9.AF.15
Crystal System: 
Triclinic Forms long bladed crystals.
Hardness: 
5.5 - 7.0
Streak: 
Colorless