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Orthoclase Psm Leucite

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PDM698517

Orthoclase Psm Leucite

Pseudomorph

Description Tabs

Description
Locality: 
Kalehöyük, Kaman, Kırşehir Province, Turkey
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 7 × 6.5 cm
Largest Crystal: 
7.00cm
Description

Fine large floater crystal of leucite completely replaced by orthoclase, partially kaolinized. In very good condition, it is quite large and reach 7 cm in size. A good quality specimen for this kind of pseudomorph and locality.

Specimen from the stock of Georges Vanacker*, acquired in 1984 to the MRC.

*Vanackerite from Tsumeb was named after him.

Mineral Data
What's on the rock

Orthoclase

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

Leucite

Formula: 
K(AlSi2O6)
Strunz: 
9.GB.05
Hardness: 
5.5 - 6.0
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

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