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Uranocircite: Ba(UO2)2(PO4)2·12(H2O) Phosphuranylite: KCa(H3O)3(UO2)7(PO4)4O4·8(H2O)
Comments: Yellow, waxy phosphuranylite with green uranocircite in matrix. Location: Bergen, Falkenstein, Vogtland, Saxony, Germany. Scale: Picture size 0.5 cm. © Paul M. Schumacher
Uranocircite: Ba(UO2)2(PO4)2·12(H2O) Metauranocircite: Ba(UO2)2(PO4)2·6-8(H2O)
Comments: Crystal fragment of uranocircite fracturing due to dehydration to meta-uranocircite. The most common are 100 and 010 fractures, with 110 close behind. But notice the 210 and 410 fractures (breaks) as well. Location: . Scale: Crystal size 2x3.5 cm. © Paul M. Schumacher
Uranocircite: Ba(UO2)2(PO4)2·12(H2O)
Comments: Yellowish green square, foliated uranocircite crystal. Location: Bergen, Falkenstein, Vogtland, Saxony, Germany. Scale: Crystal size 1.3 cm. © Tom Loomis / Dakota Matrix
Comments: Brilliant, fluorescent yellow green crystals of uranocircite altered to meta-uranocircite. Location: Bergen, Vogtland, Saxony, Germany. Scale: 2.3 x 2.2 cm. © John Veevaert