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Cassiterite With Quartz

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BMM612435

Cassiterite With Quartz

Description Tabs

Description
Locality: 
Viloco Mine, Loayza Province, La Paz Department, Bolivia
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.3 × 5.5 × 4.5 cm
Description

Translucent crystals of dark brown cassiterite with white quartz crystals. The cassiterite crystlas are sharp terminated with high gloss surfaces which show a fine striped structure. The main crystal is very exposed on the matrix. With strong LED backlit, the specimen shows its wonderful translucency. Very appealing specimen with high quality!

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