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Tourmaline Var Schorl & Beryl

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MGR727158

Tourmaline Var Schorl & Beryl

Floater

Description Tabs

Description
Locality: 
Erongo Mountains, Karibib, Erongo Region, Namibia
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 3.2 × 2.2 cm
Description

What an amazing assemble. The largere main crystals of schorl and beryl formed a perfect "V", the lower thrid consists of more free-standing beryl and schorl crystals. All crystals of both minerals are end-pointed, the whole assemble is a fragile, highly aesthetic floater! The Schorl crystals show a truly amazing stratiation, the beryl crystals are sharp and lustrous, too. A fantastic piece - should be high valued for this amazing combination and the wonderful assemble. No significant damages to report.

Mineral Data
What's on the rock

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Crystal System: 
Trigonal
Hardness: 
7

Schorl

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

Beryl

Formula: 
Be3Al2(Si6O18)
Strunz: 
9.CJ.05
Crystal System: 
Hexagonal
Hardness: 
7.5 - 8.0
Streak: 
White