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Ningyoite

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RSL687722

Ningyoite

Type Locality

Description Tabs

Description
Locality: 
Ningyo-toge Mine, Tottori Prefecture, Honshu Island, Japan
Class: 
Massive/Crystalline
Size Range: 
Micromount (under 1cm)
Size: 
0.6 × 0.5 × 0.4 cm
Description

Brownish to greyish ningyoite on conglomerate gravel clast. This is a calcium uranium phosphate that was found in a radioactive black ore from the unoxidized zone of this Japanese mine.

Mineral Data
What's on the rock

Ningyoite

Formula: 
CaU(PO4)2·1-2H2O
Strunz: 
8.CJ.85
Hardness: 
3.0 - 4.0
Type Locality: 
Ningyo-toge mine (Ningyo-tohge mine), Tottori Prefecture, Chugoku Region, Honshu Island, Japan
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