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Cordylite-(Ce) & Synchysite-(Ce) On Aegirine

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PJM141327

Cordylite-(Ce) & Synchysite-(Ce) On Aegirine

Description Tabs

Description
Locality: 
Narsaarsuk Plateau, Igaliku, Kujalleq, Greenland
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 3.6 × 2.1 cm
Description

Yellow crystals of cordylite-(Ce) on light brownish synchysite-(Ce) on black aegerine and feldspar. Specimen comes with an old Museum of the University of Copenhagen label

Mineral Data
What's on the rock

Cordylite-(Ce)

Formula: 
NaBaCe2(CO3)4F
Strunz: 
5.BD.05
Hardness: 
4.5
Type Locality: 
Narsaarsuk pegmatite (Narssârssuk pegmatite), Narsaarsuk Plateau, Igaliku (Igaliko), Narsaq, Kujalleq, Greenland

Synchysite-(Ce)

Formula: 
Ca(Ce,La)(CO3)2F
Strunz: 
5.BD.20c
Hardness: 
4.5
Type Locality: 
Narsaarsuk pegmatite (Narssârssuk pegmatite), Narsaarsuk Plateau, Igaliku (Igaliko), Narsaq, Kujalleq, Greenland

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
Earthstones Australia

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