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Fergusonite-(Y), Feldspar Biotite Ytterby, Vaxholm, Sweden FoV: 4 x 4 cm One more ugly mineral that nevertheless is exciting. First the exotic formula, it is a niobate of yttrium (YNbO4) Then the locality is hardcore: It is a historical Swedish quarry that has delivered material for the discovery of 10 different rare earth elements - four of which have names derived directly from the place itself: Yttrium, Terbium, Erbium, Ytterbium about the site: http://www.mindat.org/loc-3191.html (Author: kakov)

Fergusonite-(Y), Feldspar Biotite
Ytterby, Vaxholm, Sweden
FoV: 4 x 4 cm
One more ugly mineral that nevertheless is exciting.
First the exotic formula, it is a niobate of yttrium (YNbO4)
Then the locality is hardcore: It is a historical Swedish quarry that has delivered material for the discovery of 10 different rare earth elements - four of which have names derived directly from the place itself: Yttrium, Terbium, Erbium, Ytterbium

about the site: http://www.mindat.org/loc-3191.html (Author: kakov)

Dimensions: 1600 x 1364
File size: 566.98 kbytes
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