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Kostylevite & Aegirine

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ALB112594

Kostylevite & Aegirine

Description Tabs

Description
Locality: 
Khibiny Massif, Murmansk Oblast, Russian Federation
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.2 × 1.5 cm
Description

Tiny needles of this rare minerals with aegirine.

Mineral Data
What's on the rock

Kostylevite

Formula: 
K2Zr(Si3O9)·H2O
Strunz: 
9.CJ.35
Hardness: 
5.0
Type Locality: 
Vuonnemiok River Valley, 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

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