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Johannite: Cu(UO2)2(SO4)2(OH)2·8(H2O) Uranopilite: [(UO2)6(SO4)O2(OH)6(H2O)6]·8(H2O)
Comments: Bright yellow rosettes of uranopilite with pale greenish yellow johannite on matrix. Location: Apex Mine, Lander Co., Nevada, USA. Scale: Picture size 0.5 cm. © Paul M. Schumacher
Comments: Green aggregates of minute, acicular johannite and yellow uranopilite and clear, tabular aragonite crystals on matrix. Location: Apex Mine, Lander Co., Nevada, USA. Scale: Picture size 1.5 cm. © Paul M. Schumacher
Johannite: Cu(UO2)2(SO4)2(OH)2·8(H2O)
Comments: Green colored johannite crystals. Location: Happy Jack mine, White Canyon, San Juan County, Utah, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals