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Sanidine In Trachyte

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CLB86179

Sanidine In Trachyte

Type Locality

Description Tabs

Description
Locality: 
Drachenfels, Königswinter, Siebengebirge, North Rhine - Westphalia, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.6 × 4 × 3.2 cm
Largest Crystal: 
3.50cm
Description

Several very nice sanidine crystals up to 3.5 cm on both sides of the trachyte matrix. Type locality material.

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

Trachyte

Variety Of: 

Metamorphic Rock

Mixture Of: 

Monazite

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