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Beryl Var Emerald

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JYJ827534

Beryl Var Emerald

Description Tabs

Description
Locality: 
Carnaíba, Pindobaçu, Bahia, Brazil
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5.5 × 2.7 cm
Description

Large green beryl var. emerald in quartz and biotite matrix. 

Main crystal is ~ 3cm . 

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

Emerald

Variety Of: 

Beryl

Formula: 
Be3Al2(Si6O18)
Strunz: 
9.CJ.05
Hardness: 
7.5 - 8.0
Formula: 
Be3(Al,Cr)2Si6O18
Crystal System: 
Hexagonal
Hardness: 
0.0