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Topaz With Chrome-Tourmaline & Quartz

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KRM704463

Topaz With Chrome-Tourmaline & Quartz

Description Tabs

Description
Locality: 
Landanai, Simanjiro District, Manyara Region, Tanzania (United Republic)
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.6 × 1.1 cm
Description

An attractive nice gemmy well doubly terminated Topaz crystal with well terminated chrome tourmaline and well doubly terminated quartz crystals , and minor unknown black mineral inclusion , the whole perfect specimen inside topaz 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

Chrome-Tourmaline

Variety Of: 

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Hardness: 
7
Hardness: 
0.0

Quartz

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

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