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Murmanite & Villiaumite

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SHS126598

Murmanite & Villiaumite

Description Tabs

Description
Locality: 
Kvanefjeld, Ilímaussaq, Narsaq, Kujalleq, Greenland
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.2 × 1.5 cm
Description

Murmanite and some red villiaumite in matrix

Mineral Data
What's on the rock

Murmanite

Formula: 
Na2Ti2(Si2O7)O2·2H2O
Strunz: 
9.BE.27
Hardness: 
2.5 - 3.0
Type Locality: 
Chinglusuai River Valley, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

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