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Columbite Spessartine & Cleavelandite

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KRM42042

Columbite Spessartine & Cleavelandite

Description Tabs

Description
Locality: 
Mawi, Nuristan Province, Afghanistan
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 5 × 4.8 cm
Largest Crystal: 
4.80cm
Description

A superb specimen of well doubly terminated columbite in combination with mica , tiny garnet spots and cleavlandite.

There is no damage in this specimen. A really nice example of rare columbite.

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

Cleavelandite

Variety Of: 

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Hardness: 
6.0 - 6.5
Hardness: 
0.0

Seller Information

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