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Microcline Psm Quartz

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KMF178978

Microcline Psm Quartz

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Description
Locality: 
Erongo Mountains, Karibib, Erongo Region, Namibia
Size Range: 
Museum (18cm plus)
Size: 
18 × 11 × 8 cm
Description

This is a rarity or note and only discovered at this locality, as you can see the entire specimen is one mass of quartz crystal with exceptional form having replaced the large microcline feldspar, square elongated forms that are green included crystals on the outside and clear to white on the inside of each form. The inside crystals are much larger than those on the outside and the centers of each structure are hollow. Underneath you can see the large clear to white quartz crystals and some schorl included. There must be literally millions of crystals that make up this specimen, truly remarkable and rare. This is possibly the largest one that was found, I had some smaller ones. A completely intact and undamaged floater!!

Mineral Data
What's on the rock

Microcline

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Triclinic - Pinacoidal
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Arendal, Aust-Agder, Norway

Quartz

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

Seller Information

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All parcels are sent with DHL express, due to the South African post office not operating correctly. This is a once a week service. 








 

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