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Quartz Psm Orthoclase

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PDM591141

Quartz Psm Orthoclase

Pseudomorph

Description Tabs

Description
Locality: 
Ávila, Castile & León, Spain
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 3.8 × 2 cm
Description

Pale orange quartz that has replaced karlsbad-twinned orthoclase crystals. Found in 1990 by the Spanish collector Demetrio Malpalo. Uncommon pseudomorph in collections.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Orthoclase

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Hardness: 
6.0
Streak: 
White

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