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Leucite Nepheline Melilite Magnetite & Augite

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CLB106853

Leucite Nepheline Melilite Magnetite & Augite

Rare Mineral

Description Tabs

Description
Locality: 
Löhley, Üdersdorf, Daun, Eifel, Rhineland-Palatinate, Germany
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 9 × 4.8 cm
Description

Transparent leucite crystals sit between brown melilite crystals, colorless nepheline needles, green-black augite and metallic magnetite. And there are even more minerals on this small landscape.

Mineral Data
What's on the rock

Leucite

Formula: 
K(AlSi2O6)
Strunz: 
9.GB.05
Hardness: 
5.5 - 6.0
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

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

Melilite

Group Parent: 
Melilite Group

Magnetite

Formula: 
Fe2+Fe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.5
Streak: 
Black

Augite

Formula: 
(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Strunz: 
9.DA.15
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0

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