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Ishikawaite

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Watches:
CAM613783

Ishikawaite

Description Tabs

Description
Locality: 
Little Patsy Pegmatite, South Platte, Jefferson County, Colorado, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.8 × 1.2 cm
Description

Black crude crystals and masses of ishikawaite, a uranium-iron-niobium-oxide in a purplish yttro-fluorite matrix.

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
Cartils Minerals

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