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Rock Crystal

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MGR632110

Rock Crystal

Description Tabs

Description
Locality: 
Gronda da Cavrein Valley, Surselva Region, Grisons, Switzerland
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
12.1 × 10.4 × 9 cm
Description

The specimen is developed as floater, at teh bottm a thin layer of green-shists matrix is intergrown and covered with tiny rock crystals of second generation. The assemble is really spectacular and couldn´t be more aesthetic. The crystals are all razor sharp and all faces show highest possible luster. The dimension makes it very impressive. Specimen in this quality are exceptional even for Switzerland. No significant damages to report, much better in person!

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