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Quartz & Byssolite

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SPH176951

Quartz & Byssolite

Description Tabs

Description
Locality: 
Gronda da Cavrein Valley, Surselva Region, Grisons, Switzerland
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 5.5 × 3.8 cm
Description

This quartz shows a nicely structured surface and a fantastic green byssolite phantom. At some spots you can see the byssolite growing into the quartz and forming a very special shape. The quartz might not be utterly perfect but for sure is in well enough condition to impress the viewer.

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
Saphira Minerals