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Topaz On Quartz

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SHS92729

Topaz On Quartz

Description Tabs

Description
Locality: 
Groot Spitzkopje, Karibib, Erongo Region, Namibia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 1.4 × 1.3 cm
Description

Nice clear topaz crystal on a quartz crystal

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