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Tourmaline & Albite

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KAT840049

Tourmaline & Albite

Description Tabs

Description
Locality: 
Darrah I Pech, Chapa Dara District, Kunar Province, Afghanistan
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.8 × 3.45 × 2.6 cm
Description

very well crystallized, lustrous bi-colored (dark green/colorless to light purple) tourmaline combined with tabular whitish albite

Mineral Data
What's on the rock

Tourmaline

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

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Crystal System: 
Triclinic
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Finnbo (Finbo), Falun, Dalarna, Sweden

Seller Information

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