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Cassiterite & Quartz

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FRN101202

Cassiterite & Quartz

Description Tabs

Description
Locality: 
Ximeng, Ximeng County, Pu'er, Yunnan Province, China (Peoples Republic)
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 3.5 × 3.3 cm
Description

Glassy brown gemmy twinned crystals of cassiterite measure up to 6mm set aesthetically upon on a quartz matrix.

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
Oriental Minerals