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Steenstrupine-(Ce) On Sodalite

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PDM832282

Steenstrupine-(Ce) On Sodalite

Classic Locality

Description Tabs

Description
Locality: 
Kvanefjeld, Ilímaussaq, Narsaq, Kujalleq, Greenland
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.6 × 3.7 × 1.9 cm
Largest Crystal: 
1.00cm
Description

Dull black pseudo-octahedral crystals of steenstrupine-(Ce) that are well exposed on an apple-green sodalite matrix. The sodalite matrix displays a very intense orange fluorescence under long and short ultraviolet light.

Found by Dutch collector Peter Vink in the Kuannersuit area.

Mineral Data
What's on the rock

Steenstrupine-(Ce)

Formula: 
Na14Mn2+2(Fe3+,Mn3+)2Ce6(Zr,Th)(Si6O18)2(PO4)6(HPO4)(OH)2·2H2O
Strunz: 
9.CK.20
Hardness: 
4.0
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Sodalite

Formula: 
Na8(Al6Si6O24)Cl2
Strunz: 
9.FB.10
Crystal System: 
Isometric
Hardness: 
5.5 - 6.0
Streak: 
White
Type Locality: 
Ilímaussaq complex, Narsaq, Kujalleq, Greenland

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