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β-Fergusonite-(Y) from
Ytterby, Resarö, Vaxholm, Uppland, Sweden



Site Photo

Ytterby, Resarö, Vaxholm, Uppland, Sweden
© Riksmuseet Stockholm
Description
Habit:(pseudo)tetragonal bipyramidal
Colour:brown in different hues (yellow-red-dark)
Quality of samples:not specified / average specimens
Confirmation
Validity:Confirmed
Confirmation Methods:Visual Identification
XRD
EPMA
Comments
typical "dogtooth" crystals growing in feldspar perpendicular to large biotite-sheets
Mineral and/or Locality
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