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Topaz With Cassiterite

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PMN698335

Topaz With Cassiterite

Description Tabs

Description
Locality: 
Weilasituo, Hexigten Banner, Ulanhad League, Inner Mongolia, China (Peoples Republic)
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 4.5 × 3 cm
Largest Crystal: 
1.50cm
Weight: 
78.00gr
Description

A rare combination, topaz and a large lustrous cassiterite cluster. The back also show some small colourless topaz. The mine; Weilasituo was explored and documented by B. Ottens and you can read all about it's interesting mineral paragnesis in Lapis magazine #43 Oct 2018.

We are happy to combine shipping or stockpile until it makes sense to ship due to shipping price. We only charge actual shipping costs.

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

Cassiterite

Formula: 
SnO2
Strunz: 
4.DB.05
Crystal System: 
Tetragonal
Hardness: 
6.0 - 7.0