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Sanidine

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SHS1094234

Sanidine

Description Tabs

Description
Locality: 
Betroka District, Anosy, Madagascar
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2 × 1.3 cm
Description

Nice gemmy sanidine crystals

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