Locality: Ham-Weeks Mine, Wakefield, NH
Specimen Size: 2 mm cubo-octahedral uraninite crystal with yellow uranophane.
Field Collected: Tom Mortimer - Aug 2011
Catalog No.:
Notes: The specimen is highly radioactive, collected from pegmatite ledge. A. Smith & G. Bearss do not report uraninite in their species list included with their article "The Weeks Pegmatite Mine," Rocks & Minerals vol. 66, No 2, Mar/Apr 1991. However, A. Smith, Mineral News vol 18, no. 4, Apr. 2002, pg 2, reports an Excaliber Minerals analysis of a Ham-Weeks specimen of "thorian-rich uraninite."
Locality: Ham-Weeks Mine, Wakefield, NH
Specimen Size: 2 mm cubo-octahedral uraninite crystals with yellow uranophane.
Field Collected: Tom Mortimer - Aug 2011
Catalog No.:
Notes: Specimen highly radioactive, collected from pegmatite ledge.
Locality: Beryl Mtn., South access road, Acworth, NH
Specimen Size: 2.2 cm specimen of sub-hedral uraninite crystals embedded in orange feldspar
Field Collected: Fred Davis (2011)
Catalog No.: 1794
Notes:
Locality: Ham-Weeks Mine, Wakefield, NH
Specimen Size: 2.7 cm specimen. Black uraninite with yellow uranophane? and minor red feldspar.
Field Collected: Gene Bearss
Catalog No.:
Notes: Uraninite verified by Fred Davis XRF analysis, (GB30), on polished grain from this specimen.
Uraninite has only recently been added to the Ham-Weeks mineral species list.
Locality: Ham-Weeks Mine, Wakefield, NH
Specimen Size: 3.7 cm specimen. Black uraninite with yellow uranophane? and red feldspar.
Field Collected: Gene Bearss
Catalog No.:
Notes: Uraninite also verified by Fred Davis XRF analysis, (GB31), on polished grain from this second specimen.