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Steenstrupine-(Ce)

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PDM964193

Steenstrupine-(Ce)

Classic Locality

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Description
Locality: 
Kvanefjeld, Ilímaussaq, Narsaq, Kujalleq, Greenland
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.7 × 0.5 cm
Description

A pair of well-defined dull black pseudo-octahedral crystals of steenstrupine-(Ce) that looks like to be twinned, which is uncommon. Some damages are present in the steenstrupine-(Ce) crystals near the contact to the matrix.

Found by Dutch collector Peter Vink in the Kuannersuit area.

Combine specimens to reduce shipping costs!.

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

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