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Smoky Quartz Cassiterite & Schorl

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NST757932

Smoky Quartz Cassiterite & Schorl

Description Tabs

Description
Locality: 
Davib Ost Farm 61, Karibib, Erongo Region, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.9 × 1.6 cm
Description

A group of Smoky Quartz with lustrous metallic Cassiterites and black Schorl.

Mineral Data
What's on the rock

Smoky Quartz

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0

Cassiterite

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

Schorl

Formula: 
Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.0