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Topaz

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RSL1079134

Description Tabs

Description
Locality: 
Jos Plateau, Plateau, Nigeria
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.8 × 1.2 cm
Description

Nigerian topaz specimens are not easy to see. This specimen shows a sharp crystal, transparent, with a delicate bluish tone. With well-defined prismatic faces and dipyramidal and prism terminal faces, curious for their development, which look like a twin. A true gem of this mining area in which there are many dispersed deposits.

Collected: 
1980
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

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40
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Start 20 Nov 18:00
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