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Aquamarine Feldspar Group & Schorl

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MGR618112

Aquamarine Feldspar Group & Schorl

Description Tabs

Description
Locality: 
Erongo Mountains, Karibib, Erongo Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 2.5 × 2.1 cm
Description

A great combination - A lustrous, sharp and intense colored aquamarine crystal is set on small feldspat matrix. At teh top of the aquamarine you can see sharp terminated, jet-black and highly lustrous schorl crystals. A very showy specimen! No significant damages to report. Small contacts at teh backside of the schorl are present.

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

Schorl

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