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Beryl Tourmaline & Tourmaline Psm

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PCZ662621

Beryl Tourmaline & Tourmaline Psm

Description Tabs

Description
Locality: 
Erongo Mountains, Karibib, Erongo Region, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.9 × 3 cm
Description

This really is an amazing little specimem. Sharp colourless beryl crystals (goshenite) with reflective shorl crystals on and in them. All this ontop of an excellent epimorph of tourmaline. Much brighter than the images suggest. Excellent display with masses of interest.

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

Tourmaline

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