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Shcherbakovite Aegirine & Villiaumite

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ESM578321

Shcherbakovite Aegirine & Villiaumite

Description Tabs

Description
Locality: 
Rasvumchorr Mountain, Khibiny Massif, Murmansk Oblast, Russian Federation
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.7 × 3.3 × 2 cm
Description

Brown shcherbakovite with green aegirine and red villiaumite on matrix

Mineral Data
What's on the rock

Shcherbakovite

Formula: 
(K,Ba)KNa(Ti,Nb)2(Si4O12)O2
Strunz: 
9.DH.20
Crystal System: 
Orthorhombic
Hardness: 
6.5
Type Locality: 
Apatitovyi Tsirk (Apatite Circus), Rasvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Aegirine

Formula: 
NaFe3+Si2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.25
Crystal System: 
Monoclinic
Hardness: 
6.0
Type Locality: 
Rundemyr, Øvre Eiker, Buskerud, Norway

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