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Vuonnemite & Ussingite

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SKY589828

Vuonnemite & Ussingite

Rare Mineral

Description Tabs

Description
Locality: 
Kedykverpakhk Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1.2 cm
Description

Platy beige crystals of the rare mineral vuonnemite associated to probably dark orange villiaumite on a matrix of pale pink ussingite.

Mineral Data
What's on the rock

Vuonnemite

Formula: 
Na11Ti4+Nb2(Si2O7)2(PO4)2O3(F,OH)
Strunz: 
9.BE.35
Crystal System: 
Triclinic
Hardness: 
2.0 - 3.0
Type Locality: 
Vuonnemiok River Valley, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Ussingite

Formula: 
Na2AlSi3O8OH
Strunz: 
9.EH.20
Crystal System: 
Triclinic
Hardness: 
6.0 - 7.0
Streak: 
white
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

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