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Synchysite-(Ce) Gadolinite & Molybdenite

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SER559096

Synchysite-(Ce) Gadolinite & Molybdenite

Description Tabs

Description
Locality: 
Cuasso al Monte, Varese Province, Lombardy, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 2 cm
Description

Several red, platy crystals of synchysite-(Ce) on white gadolinite with a platy crystals of molibdenite; self collected on 1999

Mineral Data
What's on the rock

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

Gadolinite

Synonym Of: 

Gadolinite-(Ce)

Formula: 
(Ce,La,Nd,Y)2Fe2+Be2Si2O10
Strunz: 
9.AJ.20
Hardness: 
6.5 - 7.0

Gadolinite-(Y)

Formula: 
Y2Fe2+Be2Si2O10
Strunz: 
9.AJ.20
Hardness: 
6.5 - 7.0

Molybdenite

Formula: 
MoS2
Strunz: 
2.EA.30
Crystal System: 
Hexagonal
Hardness: 
1.0 - 1.5