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Gadolinite-(Ce) & Synchysite-(Ce)

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SHS183928

Gadolinite-(Ce) & Synchysite-(Ce)

Description Tabs

Description
Locality: 
Nalps Valley, Tujetsch, Surselva Region, Grisons, Switzerland
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 1.1 × 1.3 cm
Description

Nice gadolinite ce and synchisite ce on matrix

Mineral Data
What's on the rock

Gadolinite-(Ce)

Formula: 
(Ce,La,Nd,Y)2Fe2+Be2Si2O10
Strunz: 
9.AJ.20
Crystal System: 
Monoclinic
Hardness: 
6.5 - 7.0
Colour: 
Black
Type Locality: 
Buer, Bjørkedalen, Porsgrunn, Telemark, Norway

Synchysite-(Ce)

Formula: 
Ca(Ce,La)(CO3)2F
Strunz: 
5.BD.20c
Hardness: 
4.5
Type Locality: 
Narsaarsuk pegmatite (Narssârssuk pegmatite), Narsaarsuk Plateau, Igaliku (Igaliko), Narsaq, Kujalleq, Greenland