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Tourmaline With Cassiterite & Lepidolite

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KRM655095

Tourmaline With Cassiterite & Lepidolite

Description Tabs

Description
Locality: 
Chamachhu, Haramosh Mountains, Skardu District, Gilgit-Baltistan, Pakistan
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.4 × 4.1 × 2.7 cm
Description

A superb large well doubly terminated tourmaline var elbaite crystal incombination with well doubly terminated cassiterite  hosts to cleavelandite matrix , No damage , perfect specimen.

Mineral Data
What's on the rock

Tourmaline

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

Cassiterite

Formula: 
SnO2
Strunz: 
4.DB.05
Crystal System: 
Tetragonal
Hardness: 
6.0 - 7.0

Lepidolite

Synonym Of: 

Mica Group

Formula: 
KLi2Al(Si4O10)(F,OH)2 to K(Li1.5Al1.5)(AlSi3O10)(F,OH)2
Group Parent: 
Mica
Hardness: 
2.5 - 3.5
Colour: 
Pink, light purple, light rose red
Streak: 
White

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