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Rock Crystal

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MGR659724

Rock Crystal

Description Tabs

Description
Locality: 
Upper Cavrein Alp, Gronda da Cavrein Valley, Surselva, Grisons, Switzerland
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.4 × 2 × 1.6 cm
Description

A sharp terminated, highly lustrous crystal with the typical dark green phantoms. The first photo shows the specimen with minor backlight, the second photo shows the piece under daylight.

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