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Quartz & Adularia

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RBR206694

Quartz & Adularia

Description Tabs

Description
Locality: 
Intschi Tobel, Intschi, Reuss Valley, Uri, Switzerland
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 7 × 4.5 cm
Description

That's a very good specimen from Switzerland. It shows many very lustrouse and clar rock-crystals with a single main-crystal. This one is about 5 - 5,5 cm long and shows the best quality. No cracks or damages, you can see the other crystals trought it. The specimen is in very good condition, no damages to report. Only a very small area on the lower backside had contact to the rock. Everything else is terminated (with uncountable surfaces) and shows a high luster. The specimen is easy to display in variouse positions and I had the chance to select it from more than 30 others. This one was definetly the best. A small, but perfect adularia is also present next to the large crystal.

Mineral Data
What's on the rock

Quartz

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

Adularia

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