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Tourmaline & Muscovite

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Tourmaline & Muscovite

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Description
Locality: 
Eräjärvi Area, Orivesi, Pirkanmaa, Finland
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 3 × 4 cm
Largest Crystal: 
4.00cm
Weight: 
59.00gr
Description

Green tourmaline crystal of 4cm with muscovite on quartz matrix.

Mineral Data
What's on the rock

Tourmaline

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

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Streak: 
White

Seller Information

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