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Neighborite & Aegirine

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ESM516878

Neighborite & Aegirine

Description Tabs

Description
Locality: 
Gjerdingselva, Nordmarka, Lunner, Viken, Norway
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.3 × 3.2 × 2.8 cm
Description

A colorless neighborite crystal with striations on aegirine

Mineral Data
What's on the rock

Neighborite

Formula: 
NaMgF3
Strunz: 
3.AA.35
Hardness: 
4.5
Type Locality: 
Sun Haverstrite Well, Uintah Co., Utah, USA

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