(Nols gruva)
Old pegmatite used to 1870. Here Nohlite [today Samarskite-(Y)] was found 1872. A.E.Nordenskiöld in GFF 1,1872 found this niobate of REE(Y),U,Fe,Ca and Zr - type locality then according to Hey´s Mineral index,1993.
Near Kongelf.
Ref.: Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 772.