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Tourmaline On Spodumene

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JYJ711396

Tourmaline On Spodumene

Description Tabs

Description
Locality: 
Okiep, Northern Cape Province, South Africa
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 4.2 × 2.3 cm
Description

An interesting assemblage of dark green tourmaline on two spodumen crystals. Comes with an old label from 1962. 

Mineral Data
What's on the rock

Tourmaline

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

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
Labels
Label Images - only: Tourmaline On Spodumene