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Gahnite

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SHS39896

Gahnite

ex. Dr. Krantz (Bonn/Germany)

Description Tabs

Description
Locality: 
Falun, Dalarna County, Sweden
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.2 × 4.6 × 2.8 cm
Largest Crystal: 
1.20cm
Description

Dark blue gahnite crystals on/in matrix

Mineral Data
What's on the rock

Gahnite

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