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Aquamarine & Schorl

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MGR827990

Aquamarine & Schorl

Floater

Description Tabs

Description
Locality: 
Erongo Mountains, Karibib, Erongo Region, Namibia
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 5.7 × 4 cm
Description

Usually these beryl crystals with caps are green, but not so this one. Both crystals show an intense blue-aquanarine, sharp terminated zoning. They are free-standing and show a wonderful contrast to schorl. The whole "matrix" consists of micro needles of schorl; they are all sparkling - this indicator is much better in person. An outr-standing specimen on highest quality! No significant damages to report.

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