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Adularia & Byssolite

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RBR48192

Adularia & Byssolite

Description Tabs

Description
Locality: 
Gronda da Cavrein Valley, Surselva Region, Grisons, Switzerland
Size Range: 
Cabinet (10-18 cm)
Size: 
15.5 × 8.5 × 7 cm
Largest Crystal: 
2.20cm
Description

A cery rich and good specimen of green byssolite toghether with white adularia. A very good constrast between white and green. All crystals are undamaged, the adularia is up to 2.2 cm long. Also the back side is covered by those minerals.

Mineral Data
What's on the rock

Adularia

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Monoclinic
Hardness: 
6 Ortho - clase

Byssolite

Variety Of: 

Amphibole Supergroup

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

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