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Muscovite Spessartine Schorl & Feldspar

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KRM57727

Muscovite Spessartine Schorl & Feldspar

Description Tabs

Description
Locality: 
Nyet Bruk, Braldu Valley, Skardu, Gilgit-Baltistan, Pakistan
Size Range: 
Small cabinet (7-10 cm)
Size: 
6.3 × 8.5 × 3.5 cm
Description

A combination specimen of muscovite , dark red spessartine , schorl with milk  white feldspar.

 

Mineral Data
What's on the rock

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Streak: 
White

Spessartine

Formula: 
Mn2+3Al2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.5
Streak: 
White
Type Locality: 
Sommer quarry, Wendelberg, Haibach, Aschaffenburg, Spessart, Franconia, Bavaria, Germany

Schorl

Formula: 
Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.0

Feldspar

Group Parent: 
Feldspar Group
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