Species: Uraninite, Schoepite, Zircon, Autunite
Locality: Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
Dimensions: 4.5 x 4.0 x 1.4 cm.
Ex. George Kamin Collection
Excellent, colorful specimen, cut and polished on one face, of brightly-colored dendritic uraninite with various “gummite” group minerals and cyrtolite zircon in feldspar matrix from the famous Ruggles mine in central New Hampshire, USA. Measures ~70,000 CPM on my Ludlum Model 3 counter with the 44-9 probe. Rare!!