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Sanidine

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PDM1028655

Sanidine

Floater

Description Tabs

Description
Locality: 
Puy de Sancy, Chastreix, Issoire, Auvergne-Rhône-Alpes, France
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 3.1 × 1.5 cm
Weight: 
23.00gr
Description

Floater complete idiomorph crystal of sanidine with good lustre and nice definition, which is very rare in this species. The general condition is good, and has some Miller indices written in some faces, that could be easily to remove if necessary.

Exchanged in 1988, it is an Ex Ludo Van Goethem specimen.

Combine specimens to reduce shipping costs!.

Mineral Data
What's on the rock

Sanidine

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Monoclinic - Prismatic
Hardness: 
6.0
Streak: 
White
Type Locality: 
Drachenfels, Königswinter, Siebengebirge, North Rhine-Westphalia, Germany

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