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Calciomurmanite & Narsarsukite

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Calciomurmanite & Narsarsukite

Type Locality

Description Tabs

Description
Locality: 
Selsurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.9 × 1.6 × 0.7 cm
Description

Very rare, brownish Calciomurmanite from Co-Type Locality with creamy Narsarsukite in matrix.

Mineral Data
What's on the rock

Calciomurmanite

Formula: 
<(Na,◻)2Ca(Ti,Mg,Nb)4[Si2O7]2O2(OH,O)2(H2O)4
Crystal System: 
Triclinic
Colour: 
Brownish purple
Type Locality: 
Selsurt Mountain, Lovozero Massif, Kola Peninsula, Northern Region, Russia

Narsarsukite

Formula: 
Na4(Ti,Fe)2[Si8O20](O,OH,F)2
Strunz: 
9.DJ.05
Hardness: 
7.0
Type Locality: 
Narsaarsuk pegmatite (Narssârssuk pegmatite), Narsaarsuk Plateau, Igaliku (Igaliko), Narsaq, Kujalleq, Greenland

Seller Information

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