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Comments: Sandstone with a 1.5 cm vein of black uraninite bisected with a 2mm vein of bright yellow zippeite.
Location: Jackpot Mine, Laguna Mining District, Cibole City, New Mexico.
Scale: 4.8 cm high.
© Paul M. Schumacher
Zippeite: K4(UO2)6(SO4)3(OH)10·4(H2O) Uranopilite: [(UO2)6(SO4)O2(OH)6(H2O)6]·8(H2O)
Comments: Bright yellow uranopilite and reddish brown zippeite encrustations on uranium ore.
Location: Happy Jack Mine, White Canyon, Utah.
Scale: 3 cm.
© John Veevaert