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Eudialyte & Rosenbuschite & Arfvedsonite

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SHS796240

Eudialyte & Rosenbuschite & Arfvedsonite

Description Tabs

Description
Locality: 
Norra Kärr, Gränna, Jönköping County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.1 × 5.4 × 1.7 cm
Description

Eudialyite with rosenbuschite and arfvedsonite in matrix

Mineral Data
What's on the rock

Eudialyte

Formula: 
Na15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Strunz: 
9.CO.10
Hardness: 
5.0 - 6.0
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Rosenbuschite

Formula: 
(Ca,Na)3(Zr,Ti)(Si2O7)OF
Strunz: 
9.BE.22
Hardness: 
5.0 - 6.0
Streak: 
White
Type Locality: 
Skutesundskjær (Skudesundskjær), Barkevik area, Langesundsfjorden, Larvik, Vestfold, Norway

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