Description
Species: Tyuyamunite
Locality: Marie Mine, Pryor Mountains, Carbon County, Montana, USA
Dimensions: 4 cm x 3.5 cm x 3 cm
Beautiful, very aesthetic specimen of brilliant-yellow tyuyamunite crystal aggregates (fantastic under the microscope!) on sandstone from this classic and uncommon Montana locality. Eric Quinter specimen U/Th 0990, pictured on Mindat.org. Rare!