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Gadolinite-(Y)

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CR28744

Gadolinite-(Y)

Ex Naturhistoriska Riksmuseet Stockholm
Rare Mineral

Description Tabs

Description
Locality: 
Hidra, Flekkefjord, Agder, Norway
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 7 × 4.5 cm
Largest Crystal: 
5.00cm
Description

Very good cluster of large gadolinite-y crystals up to 5 cm, partely intergrown in pegmatite matrix.

Very old specimen from the Naturhistoriska Riksmuseet Stockholm with original label.

Mineral Data
What's on the rock

Gadolinite-(Y)

Formula: 
Y2Fe2+Be2Si2O10
Strunz: 
9.AJ.20
Crystal System: 
Monoclinic
Hardness: 
6.5 - 7.0
Type Locality: 
Ytterby, Resarö, Vaxholm, Uppland, Sweden