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Adularia & Quartz

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PDM726995

Adularia & Quartz

Description Tabs

Description
Locality: 
Hundskehle, Predoi, Aurina Valley, South Tirol, Trentino-Alto Adige, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 6.8 × 6.5 cm
Largest Crystal: 
5.20cm
Description

A good size and beautiful 3D aggregate of K-Felspar (variety: adularia) crystals of very good lustre, associated to doubly-ended crystals of quartz coloured green by chlorite inclusions. It is a floater and in very good condition. Uncommon Italian locality in collections. Ex. A. Gelders specimen.

Mineral Data
What's on the rock

Adularia

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

Quartz

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

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