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Quartz & Byssolite

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MGR659756

Quartz & Byssolite

Description Tabs

Description
Locality: 
Upper Cavrein Alp, Gronda da Cavrein Valley, Surselva, Grisons, Switzerland
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 4.6 × 2.9 cm
Description

The specimen was discovered in 1985. It is a cluster of highly lustrous intergrown quartz crystals with amazing phantoms of hairy byssolite crystals. The first photo in the gallery shows the specimen with minor backlight, second and third photo show the piece under daylight. Ex-Zoubek Collection.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Byssolite

Variety Of: 

Amphibole Supergroup

Formula: 
AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hardness: 
0.0
Hardness: 
0.0