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Sanidine

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Sanidine

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Description
Locality: 
Kakourou, Aridhaia, Pélla, Central Macedonia, Greece
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2.2 × 2 cm
Description

Textbook crystal of a carlsbad twin of sanidine with another twin of sanidine piercing through it. The main twin is perfect and the other twin is contacted on one side, as seen at the photo no4.

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

Seller Information

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