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Microcline With Riebeckite Inclusions

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KRM82601

Microcline With Riebeckite Inclusions

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Description
Locality: 
Zagi Mountain, Federally Administered Tribal Areas, Pakistan
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 4 × 3 cm
Description

A very unusual  & first time from zagi mountain , an example of well doubly terminated microcline -feldspar incombination with riebeckite inclusion & riebeckite.The blue coloration is due to riebeckite inclusion.

A very interesting materials from zagi mountain.

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

Riebeckite

Formula: 
◻[Na2][Fe2+3Fe3+2]Si8O22(
Strunz: 
9.DE.25
Hardness: 
5.0 - 5.5
Type Locality: 
Socotra Island, Adan Governorate, Yemen

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