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Ilímaussite-(Ce)

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JYJ847904

Ilímaussite-(Ce)

Description Tabs

Description
Locality: 
Ilímaussaq, Narsaq, Kujalleq, Greenland
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.9 × 1.5 × 1.1 cm
Description

Brown translucent Ilímaussite-(Ce) groups in quartz from Ilímaussaq, Narsaq, Greenland. 

 

Mineral Data
What's on the rock

Ilímaussite-(Ce)

Formula: 
(Na,K)7-8(Ba,K)10Ce5(Nb,Ti)6(Si3O9)4(Si9O18)O6(O,OH)24
Strunz: 
9.CB.15
Hardness: 
4.0
Streak: 
White
Type Locality: 
Ilimaussite occurrence, Nakalak Mt (Nakalaq; Nakkaalaaq), Taseq area, Ilímaussaq complex, Narsaq, Kujalleq, Greenland