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Villiaumite & Ussingite & Penkvilksite & Lomonosovite

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SHS1086018

Villiaumite & Ussingite & Penkvilksite & Lomonosovite

Description Tabs

Description
Locality: 
Umbozero Mine, Alluaiv Mountain, Lovozero, Murmansk Oblast, Russian Federation
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.6 × 1.7 cm
Description

Villiaumite with ussingite and penkvilksite and lomonossovite

Mineral Data
What's on the rock

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

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

Penkvilksite

Formula: 
Na4Ti2Si8O22·4H2O
Strunz: 
9.EA.60
Hardness: 
5.0
Colour: 
White
Type Locality: 
Yubileinaya pegmatite (Yubileinoye; Jubilejnaja), Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Lomonosovite

Formula: 
Na5Ti2(Si2O7)(PO4)O2
Strunz: 
9.BE.32
Hardness: 
3.0 - 4.0
Type Locality: 
Pegmatite No. 65, Chinglusuai River Valley, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...