Locality: Ham-Weeks Mine, Wakefield, NH
Specimen Size: 4.5 cm specimen with central zone of black columbite. Samarskite-Y is 1 to 2 mm thick resonous-brown zone on right edge of columbite, (yellow arrow).
Field Collected: Gene Bearss - 1979
Catalog No.: 1742
Notes: Samarskite-Y verified by EDS analysis. A second analysis (an XRF Analysis (pdf)) performed on a polished grain of the display specimen by Fred Davis also supported the Ham-Weeks Samarskite-Y identification.
Locality: Ham-Weeks Mine, Wakefield, NH
Specimen Size: 2.5 cm specimen with unknown cream-colored oxide.
Field Collected: Don Swenson
Catalog No.: 1486
Notes: This specimen is slightly radio-active. This specimen was previously in my display as Ishikawaite. However an October, 2011 EDS analysis and a Nov. 2, 2011 XRF Analysis (pdf) performed by Fred Davis showed this specimen to be samarskite.