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Tourmaline & Quartz

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KFT45030

Tourmaline & Quartz

Description Tabs

Description
Locality: 
Viitaniemi Pegmatite, Eräjärvi, Orivesi, Pirkanmaa, Finland
Size Range: 
Cabinet (10-18 cm)
Size: 
11.5 × 8 × 4 cm
Largest Crystal: 
4.50cm
Description

Many crystals of dark green verdelite in microcline and smokey quartz.

Maybe there is some topaz on the specimen too!?

Mineral Data
What's on the rock

Tourmaline

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

Quartz

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