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Fergusonite Zircon Aegirine & Feldspar

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KAT689624

Fergusonite Zircon Aegirine & Feldspar

Description Tabs

Description
Locality: 
Mount Malosa, Zomba, Southern Region, Malawi
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 5.3 × 3.5 cm
Description

a very fine combination of pale brown fergusonite-(y),

orange brownish Zircon, black/greenish Aegirine,

light smocky quartz and Feldspar

Mineral Data
What's on the rock

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

Zircon

Formula: 
ZrSiO4
Strunz: 
9.AD.30
Crystal System: 
Tetragonal
Hardness: 
7.5
Streak: 
White

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

Feldspar

Group Parent: 
Feldspar Group

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