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Sanidine

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Sanidine

Description Tabs

Description
Locality: 
Itrongay, Mahasoa Est, Betroka, Anosy, Madagascar
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.5 × 3.7 × 2.5 cm
Description

Gemmy yellow sanidine

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