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Steenstrupine-(Ce) On Sodalite

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PDM821082

Steenstrupine-(Ce) On Sodalite

Type Locality

Description Tabs

Description
Locality: 
Kangerluarsuk Fjord, Ilímaussaq, Narsaq, Kujalleq, Greenland
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 3.3 × 1.5 cm
Largest Crystal: 
1.50cm
Description

Excellent sharp black crystals of steenstrupine-(Ce) on an apple-green sodalite matrix. Some damages are present in the steenstrupine-(Ce) crystals, but they are big (15 mm) and from the type locality. The sodalite matrix displays a very intense orange fluorescence under Long and Short UV light.

Acquired to Norwegian collector Ingulv Burvald by JS. Ex Jan Sibtsen collection #20.

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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