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Gadolinite-(Y)

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MCH641228

Gadolinite-(Y)

Description Tabs

Description
Locality: 
Høydalen, Tørdal, Drangedal, Vestfold og Telemark, Norway
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.6 × 4.6 × 4 cm
Description

A nice black 0.4 cm Gadolinite-(Y) crystal as well as some remnants of some elongated black-brownish Yttrotantalite-(Y) crystals are embedded in a quartz and albite matrix. Collected in 1995 at the Høydalen lithium pegmatite.

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

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