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Allanite-(Ce)

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CAM104762

Allanite-(Ce)

Description Tabs

Description
Locality: 
Trimouns, Luzenac, Ariège, Occitanie, France
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.5 × 1.7 cm
Largest Crystal: 
0.60cm
Description

A brown well-formed 6 mm allanite Ce crystal on typical matrix.
Analyses have shown that most allanite specimens from Trimouns are in fact dissakisite Ce.

Mineral Data
What's on the rock

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
Cartils Minerals

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