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Spodumene & Tourmaline

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ESM718778

Spodumene & Tourmaline

Description Tabs

Description
Locality: 
Kunar, Laghman Province, Afghanistan
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5.5 × 3 cm
Description

A colorless terminated spodumen crystal hosting a terminated blue tourmaline crystal

Mineral Data
What's on the rock

Spodumene

Formula: 
LiAlSi2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.30
Crystal System: 
Monoclinic
Hardness: 
6.5 - 7.0
Colour: 
colorless, yellow
Streak: 
White
Type Locality: 
Utö Mines, Utö, Södermanland, Sweden

Tourmaline

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