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Rock Crystal & Schorl

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NST642472

Rock Crystal & Schorl

Description Tabs

Description
Locality: 
Cavradi Gorge, Curnera Valley, Tujetsch, Surselva Region, Grisons, Switzerland
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 3.5 × 2.7 cm
Description

A transparent rock crystal with with diamond-like high lustre and schorl inclusions from Cavradi.

Mineral Data
What's on the rock

Rock Crystal

Variety Of: 

Quartz

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

Schorl

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