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Tadzhikite-(Ce) & Eudialyte

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CSL620124

Tadzhikite-(Ce) & Eudialyte

Rare Mineral

Description Tabs

Description
Locality: 
Norra Kärr, Gränna, Jönköping County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 1.9 × 1.4 cm
Description

Rare REE bearing silicate mineral tadzhikite-(Ce) occurs as brown tabular crystals  or crystal sections frozen into matrix, in association with raspberry eudialyte 

 

Mineral Data
What's on the rock

Tadzhikite-(Ce)

Formula: 
(Ca,Ce)4(Ce,Y)2(Ti4+,Fe3+,Al)[B4Si4O22](OH)2
Strunz: 
9.DK.20
Crystal System: 
Monoclinic
Hardness: 
6.0
Streak: 
White
Type Locality: 
Darai-Pioz Glacier (Dara-i-Pioz; Dara-Pioz), Alai Range (Alayskiy), Tien Shan Mtn, Region of Republican Subordination, Tajikistan

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
Loranth Minerals

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