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Beautiful, colorful, well-crystallized cabinet-size Musonoi mine specimen featuring yellow-green cuprosklodowskite and yellow sklodowskite crystals line a fracture in altered, siliceous dolostone matrix. Eric Quinter specimen U/Th 0226, pictured on mindat.org. Rare!
Species: Pyromorphite
Size: 6 x 4 x 1.7 cm
Species: Euxenite-(Y)
Locality: Platt Pegmatite Mine, Big Creek pegmatite District, Carbon County, Wyoming, USA
Size: 6.1 x 2.6 x 2.2 cm, 64 grams
Size: 9 x 6 x 5.5 cm
Species: Boltwoodite
Size: 6.8 x 4.9 x 4.5 cm, 160 grams