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Djerfisherite Eudialyte Titanite Aenigmatite Nepheline & Aegirine

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POL818178

Djerfisherite Eudialyte Titanite Aenigmatite Nepheline & Aegirine

Description Tabs

Description
Locality: 
Yukspor Mountain, Khibiny Massif, Murmansk Oblast, Russian Federation
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 3.3 × 2.1 cm
Description

Multi-mineral specimen with few grains (the biggest one is 8 mm) of rare sulfide mineral - Djerfisherite with pinkish-red Eudialyte in matrix consist of Titanite, Aenigmatite, Nepheline & Aegirine. Found in 2013 r.

Mineral Data
What's on the rock

Djerfisherite

Formula: 
K6(Fe,Cu,Ni)25S26Cl
Strunz: 
2.FC.05
Hardness: 
3.5
Type Locality: 
Kota-Kota meteorite (Marimba meteorite), Malawi

Eudialyte

Formula: 
Na15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Strunz: 
9.CO.10
Hardness: 
5.0 - 6.0
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Titanite

Formula: 
CaTi(SiO4)O
Strunz: 
9.AG.15
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Titanite occurrence, Hauzenberg, Lower Bavaria, Bavaria, Germany

Aenigmatite

Formula: 
Na2Fe2+5Ti(Si6O18)O2
Strunz: 
9.DH.40
Crystal System: 
Triclinic
Hardness: 
5.5 - 6.0
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Nepheline

Formula: 
(Na,K)AlSiO4
Strunz: 
9.FA.05
Hardness: 
5.5 - 6.0
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

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

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