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Tourmaline With Schorl With Quartz

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KRM174258

Tourmaline With Schorl With Quartz

Description Tabs

Description
Locality: 
Shengus, Haramosh Mountains, Skardu District, Gilgit-Baltistan, Pakistan
Size Range: 
Small cabinet (7-10 cm)
Size: 
4.5 × 7 × 5.4 cm
Description

 Well doubly terminated tourmaline var schorl hosts to well doubly terminated quartz.

Undamaged.

 

Mineral Data
What's on the rock

Tourmaline

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

Schorl

Formula: 
Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.0

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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