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Arfvedsonite

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SHS27738

Arfvedsonite

ex. Dr. Krantz (Bonn/Germany)

Description Tabs

Description
Locality: 
Rhineland-Palatinate, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.2 × 5.8 × 3.6 cm
Description

Gray arfvedsonite in matrix

Mineral Data
What's on the rock

Arfvedsonite

Formula: 
[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Strunz: 
9.DE.25
Hardness: 
5.0 - 6.0
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland