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Adularia With Astrophyllite & Riebeckite Inclusions

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KRM137168

Adularia With Astrophyllite & Riebeckite Inclusions

Description Tabs

Description
Locality: 
Zagi Mountain, Federally Administered Tribal Areas, Pakistan
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 8.2 × 2 cm
Description

Well doubly terminated adularia included by astrophyllite & riebeckite.

Undamaged.

Mineral Data
What's on the rock

Adularia

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Monoclinic
Hardness: 
6 Ortho - clase

Astrophyllite

Formula: 
(K,Na)3(Fe,Mn)7Ti2Si8O24(O,OH)7
Strunz: 
9.DC.05
Crystal System: 
Triclinic
Hardness: 
3.0
Streak: 
Golden
Type Locality: 
Låven (Skådön; Lamö; Lamanskjaer), Langesundsfjorden, Larvik, Vestfold, 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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