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Tourmaline With Albite

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KRM628639

Tourmaline With Albite

Description Tabs

Description
Locality: 
Alchuri, Shigar District, Gilgit-Baltistan, Pakistan
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 8.5 × 2.4 cm
Description

Black lustrous toumaline crystals incombination with albite hosts to matrix, nice specimen from Alpine metamorphic type deposits at Alchuri village.

Mineral Data
What's on the rock

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Crystal System: 
Trigonal
Hardness: 
7

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Crystal System: 
Triclinic
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Finnbo (Finbo), Falun, Dalarna, Sweden

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