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Aquamarine With Calcite

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KRM74754

Aquamarine With Calcite

Description Tabs

Description
Locality: 
Koksha Valley, Badakhshan Province, Afghanistan
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 4.3 × 4 cm
Description

A good example of aquamarine incombination with quartz and mica with calcite matrix from Badakhshan.

The aquamarine specimenis very rare  from the locality.

 

Mineral Data
What's on the rock

Aquamarine

Variety Of: 

Beryl

Formula: 
Be3Al2(Si6O18)
Strunz: 
9.CJ.05
Hardness: 
7.5 - 8.0
Formula: 
Be3Al2Si6O18
Hardness: 
0.0
Colour: 
Blue
Streak: 
White

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White
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