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Tundrite-(Nd) & Villiaumite

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SHS501440

Tundrite-(Nd) & Villiaumite

Description Tabs

Description
Locality: 
Kvanefjeld, Ilímaussaq, Narsaq, Kujalleq, Greenland
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1 cm
Description

Nice tundrite nd in matrix with villiaumite

Mineral Data
What's on the rock

Tundrite-(Nd)

Formula: 
Na2(Nd,Ce)2Ti(SiO4)(CO3)2O2
Strunz: 
9.AH.10
Hardness: 
3.0
Type Locality: 
Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Villiaumite

Formula: 
NaF
Strunz: 
3.AA.20
Crystal System: 
Isometric
Hardness: 
2.0 - 2.5
Streak: 
White
Type Locality: 
Rouma Island (Roume Island; Roma Island; Ruma Island), Los Archipelago (Los Islands), Guinea