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Smoky Quartz Adularia

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KFT51498

Smoky Quartz Adularia

Description Tabs

Description
Locality: 
Cristallina Valley, Val Medel, Surselva Region, Grisons, Switzerland
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 2.5 × 2.5 cm
Largest Crystal: 
5.10cm
Description

Smoky quartz double terminated with a "crown" of adularia.

One side has some minor damage.

Mineral Data
What's on the rock

Smoky Quartz

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0

Adularia

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