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Ishikawaite

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JYJ980430

Ishikawaite

Description Tabs

Description
Locality: 
Fukushima Prefecture, Honshu Island, Japan
Class: 
Crystal Group/Cluster
Size Range: 
Micromount (under 1cm)
Size: 
0.8 × 0.6 × 0.3 cm
Description

Black ishikawaite cluster from the Fukushima prefecture, Iwaki, Japan. 

 

Mineral Data
What's on the rock

Ishikawaite

Formula: 
U4+Fe2+Nb2O8
Strunz: 
4.DB.25
Hardness: 
5.0 - 6.0
Colour: 
Black
Type Locality: 
Ishikawa-gun, Fukushima Prefecture, Tohoku Region, Honshu Island, Japan