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Schorl Beryl & Albite

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MGR537862

Schorl Beryl & Albite

Description Tabs

Description
Locality: 
Darrah I Pech, Chapa Dara District, Kunar Province, Afghanistan
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.1 × 3.1 × 2.8 cm
Description

This is really a gorgeous specimen. It is developed as floater. A part of the glossy, jet black schorl crystal is covered with well developed albite crystals. At the lower backside a small colorless beryl crystal is intergrown to albite. Just schorl, but a very ye-catching contrast and it couldn´t be more aesthetic. No significant damages to report.

Mineral Data
What's on the rock

Schorl

Formula: 
Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.0

Beryl

Formula: 
Be3Al2(Si6O18)
Strunz: 
9.CJ.05
Crystal System: 
Hexagonal
Hardness: 
7.5 - 8.0
Streak: 
White

Albite

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