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Aquamarine Gahnite Microlite & Spessartine

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CLB173875

Aquamarine Gahnite Microlite & Spessartine

Classic Locality

Description Tabs

Description
Locality: 
Rasovna, Maršíkov, Šumperk, Olomouc Region, Czech Republic
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 5 × 2.5 cm
Description

A pale greenish blue aquamarine of 0.7 cm with orange spessartine, blueish gray gahnite (on backside) and dark gray to black microlite (uranmicrolite or plumbomicrolite?). Very rare specimen.

Mineral Data
What's on the rock

Aquamarine

Variety Of: 

Beryl

Formula: 
Be3Al2(Si6O18)
Strunz: 
9.CJ.05
Hardness: 
7.5 - 8.0
Formula: 
Be3Al2Si6O18
Hardness: 
0.0
Colour: 
Blue
Streak: 
White

Gahnite

Formula: 
ZnAl2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
7.5 - 8.0
Streak: 
Grey
Type Locality: 
Falun mine, Falun, Dalarna, Sweden

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

Seller Information

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