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Cassiterite On Quartz

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PMN670181

Cassiterite On Quartz

Description Tabs

Description
Locality: 
Weilasituo, Hexigten Banner, Ulanhad League, Inner Mongolia, China (Peoples Republic)
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3 × 3 cm
Largest Crystal: 
5.00cm
Weight: 
49.00gr
Description

Lustrous semi-transparent cassiterite on quartz very similar to the ones found in Tasmania and New south Wales (Australia) but this is a new find from a polymetallice deposit in Inner Mongolia. The recent finds have yielded cassiterite with muscovite, quartz, fluorite and even topaz. A good representative miniature with some chipping on the quartz tip

Mineral Data
What's on the rock

Cassiterite

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

Quartz

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