Description
Species: Uranophane
Locality: Grants District, McKinley County, New Mexico, USA
Dimensions: 8 x 7.5 x 6 cm. (242 grams)
Ex. David P. Wilber Collection
For the famous Grants uranium mining area of northwestern New Mexico, this is a killer uranophane specimen, featuring abundant coatings and botryoidal masses of vivid-yellow uranophane on a buff sandstone matrix. Measures ~140,000 CPM on my Ludlum Model 3 Counter with the 44-9 probe. Rare!