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Topaz

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PCZ115672

Topaz

Description Tabs

Description
Locality: 
Diamond Rocks, Mourne Mountains, County Down, Northern Ireland, United Kingdom
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 4.5 × 4.5 cm
Largest Crystal: 
0.80cm
Description

A nice 0.8cm transparant topaz crystal with a basel termination nestles among smokey quartz, mica and orthoclase. a good sized crystal for the location.

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
Peter Crozier Minerals