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Davidite

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MCH199939

Davidite

Description Tabs

Description
Locality: 
Biggejavri, Kautokeino, Troms og Finnmark, Norway
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 7.5 × 2.5 cm
Description

An 0.6 x 0.6 cm black metallic aggregate of davidite is embedded in a rock consisting mainly of albite and green amphibole as well as some black mica and traces of a purple, unidentified mineral. The specimen originates from a REE mineralization. Collected in 1984.

Mineral Data
What's on the rock

Davidite

Synonym Of: 

Davidite-(Ce)

Formula: 
(Ce,La)(Y,U,Fe)(Ti,Fe)20(O,OH)38
Strunz: 
4.CC.40
Hardness: 
6.0

Davidite-(La)

Formula: 
(La,Ce)(Y,U,Fe)(Ti,Fe)20(O,OH)38
Strunz: 
4.CC.40
Hardness: 
6.0

Gramaccioliite-(Y)

Formula: 
(Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38
Strunz: 
4.CC.40
Hardness: 
6.0 - 0.0
Group Parent: 
Crichtonite Group

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