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Aenigmatite Djerfisherite & Nepheline

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POL881631

Aenigmatite Djerfisherite & Nepheline

Description Tabs

Description
Locality: 
Material'naya Adit, Yukspor Mountain, Khibiny Massif, Murmansk Oblast, Russian Federation
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 1.8 × 1.6 cm
Description

Nice specimen of black Aenigmatite with nice, metallic bronze grain (~3 mm) of rare Djerfisherite. There is also typical, grey Nepheline on the back.

Mineral Data
What's on the rock

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

Djerfisherite

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

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

Seller Information

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