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Cassiterite

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BOC644774

Cassiterite

José Luis Otero's collection

Description Tabs

Description
Locality: 
El Espinar Mines, Segovia, Castile & León, Spain
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4 × 1 cm
Largest Crystal: 
0.70cm
Description

Cassiterite from El Espinar mines, label says La Cacera mine, near to Gudillos river and San Rafael, Segovia, Spain.

José Luis Otero’s collection (serial number 1390).

Main display: very good.

Mineral Data
What's on the rock

Cassiterite

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

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