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Petscheckite & Allanite-(Ce)

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UVM587513

Petscheckite & Allanite-(Ce)

Radioactive

Description Tabs

Description
Locality: 
Håkonhals Quarry, Finnøya, Hamarøy, Nordland, Norway
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 2.6 × 1.9 cm
Description

A rich specimen of intergrown Petscheckite and Allanite-(Ce) from Norway.  

Mineral Data
What's on the rock

Petscheckite

Formula: 
UFe(Nb,Ta)2O8
Strunz: 
4.DH.35
Hardness: 
5.0
Colour: 
Black
Type Locality: 
Antsakoa I pegmatite, Berere Pegmatite Field, Tsaratanàna District, Betsiboka Region, Mahajanga Province (Majunga), Madagascar

Allanite-(Ce)

Formula: 
{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0
Type Locality: 
Qáqarssuatsiaq, Aluk Island, Kap Farvel, Kujalleq, Greenland

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