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Aegirine With Fergusonite

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NSS513354

Aegirine With Fergusonite

Description Tabs

Description
Locality: 
Mount Malosa, Zomba, Southern Region, Malawi
Class: 
Single Crystal
Size Range: 
Cabinet (10-18 cm)
Size: 
17 × 5.5 × 3.5 cm
Largest Crystal: 
17.00cm
Description

big cristal of aegirine all terminated without chipping with microcline and pale yellow cristals of fergusonite-(Y)

Mineral Data
What's on the rock

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

Fergusonite

Synonym Of: 

Fergusonite-(Ce)

Formula: 
(Ce,La,Nd)NbO4
Strunz: 
7.GA.05
Hardness: 
5.5 - 6.5

Fergusonite-(Y)

Formula: 
YNbO4
Strunz: 
7.GA.05
Hardness: 
5.5 - 6.5

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