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Beryl With Columbite & Muscovite

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CLB88023

Beryl With Columbite & Muscovite

ex collection Wittig
Classic Locality

Description Tabs

Description
Locality: 
Lauvland #4 Quarry, Evje og Hornnes, Agder, Norway
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 4.2 × 3.7 cm
Largest Crystal: 
3.50cm
Description

The big yellow beryl crystal goes right through the feldspar matrix.

A broken black columbite (columbite-fe?) crystal sits atop the beryl.

There are also minor muscovite and little garnet crystals (almandine?) present.

Mineral Data
What's on the rock

Beryl

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

Muscovite

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

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