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Beryl Var Vorobyevite With Mica

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KRM178275

Beryl Var Vorobyevite With Mica

Description Tabs

Description
Locality: 
Deo Darrah, Khash & Keran Wa Munjan, Badakhshan Province, Afghanistan
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 2.8 × 2.5 cm
Largest Crystal: 
0.70cm
Description

Rich blue well terminated intact crystals of  of cesium-rich beryl variety Vorobyevite (Rosterite).

 

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

Vorobyevite

Variety Of: 

Beryl

Formula: 
Be3Al2(Si6O18)
Strunz: 
9.CJ.05
Hardness: 
7.5 - 8.0
Hardness: 
0.0

Mica

Group Parent: 
Mica Group