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Rock Crystal Adularia & Chlorite

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MGR594284

Rock Crystal Adularia & Chlorite

Description Tabs

Description
Locality: 
Großvenediger Northwest Slope, Obersulzbach Valley, Hohe Tauern, Salzburg, Austria
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 7.6 × 5 cm
Description

A sharp terminated, glossy rock crystal attractively set on matrix. Only some end-points are powdered with minor chlorite, which gives a good contrast to lustrous faces. The crystal is water-clear. On the left hand side you can see sharp terminated adularia crystals which are covered by dark green chlorite. In the middle you can see very light matrix and finally on the right hand side the matrix is covered with smaller adularia crystals. Excellent contrast, very aesthetic assemble, very rare locality! No significant damages to report.

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

Adularia

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

Chlorite

Synonym Of: 

Chlorite Group

Group Parent: 
Chlorite
Crystal System: 
Monoclinic
Hardness: 
2 - 2.5
Colour: 
Green, Grey, Brown
Streak: 
colourless
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