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Spessartine Kyanite & Muscovite

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VCV144823

Spessartine Kyanite & Muscovite

Description Tabs

Description
Locality: 
Nani Hill, Loliondo, Ngorongoro District, Arusha Region, Tanzania (United Republic)
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 1.7 × 1 cm
Largest Crystal: 
0.80cm
Description

Really nice combination of spessartine garnet crystals embedded in muscovite with a rare orange kyanite on the back side.

Mineral Data
What's on the rock

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

Kyanite

Formula: 
Al2(SiO4)O
Strunz: 
9.AF.15
Crystal System: 
Triclinic Forms long bladed crystals.
Hardness: 
5.5 - 7.0
Streak: 
Colorless

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Streak: 
White
Vic's Vugh Minerals