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Aegirine & Fergusonite

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CR35146

Aegirine & Fergusonite

Rare Mineral

Description Tabs

Description
Locality: 
Mount Malosa, Zomba, Southern Region, Malawi
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5 × 3.5 cm
Largest Crystal: 
5.00cm
Description

Very good, sharp aegrinie crystal with pale brown fergusonite crstals and zircon crystals.

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