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3D3DFergusonite.
Description from the source:
Fergusonite-Y (Y Nb O4 tet.), Gilderdalen, Iveland, Nordge. Black lustrous masses on matrix. 1,4x1x0,6 cm; 5 g with box.
Source: Simone Citon
Contributor: John Gray
Acquired: 31 October, 2009
Text Updated: 31 October, 2009
Price: Trade
Size: 0.5"
Composition: YNbO4
Niobium