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Cassiterite

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CR946972

Cassiterite

Classic Locality

Description Tabs

Description
Locality: 
Viloco Mine, Loayza Province, La Paz Department, Bolivia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5 × 1.8 cm
Largest Crystal: 
2.20cm
Description

The great tin mines at Viloco have produced some of the most magnificent Cassiterite specimens extant.

This particular specimen consists of several superb, sharp, highly lustrous, mirror bright, black, brown cyclic twinned crystals measuring up to 2.2 cm on matrix.

The piece is in great shape, and is a great overall display specimen. This classic material from Viloco is simply not seen for sale in today's market anymore.

Mineral Data
What's on the rock

Cassiterite

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