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Topaz & Quartz

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RBR525592

Topaz & Quartz

Description Tabs

Description
Locality: 
Klein Spitzkopje, Karibib, Erongo Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4 × 3 cm
Description

This is a very nice little specimen, mainly from quartz with some feldspar at the side. But there's also a very fine, perfect topaz on top. The crystal is perfect terminated on every side, no contacts or nicks. It shows a light yellow color and very good clearity - I would call it gemmy! Just a beauty...

Mineral Data
What's on the rock

Topaz

Formula: 
Al2(SiO4)(F,OH)2
Strunz: 
9.AF.35
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
8.0
Streak: 
White

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
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