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Metauranocircite: Ba(UO2)2(PO4)2·6-8(H2O) Uranocircite: Ba(UO2)2(PO4)2·12(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.
Scale: Crystal size 2x3.5 cm.
© Paul M. Schumacher
Comments: Lemon yellow platy meta-uranocircite crystals on matrix.
Location: Schneeberg, Saxony, Germany.
Scale: Crystal size 2 mm.
© Tom Loomis / Dakota Matrix
Comments: Yellow crystals of meta-uranocircite.
Location: Krunkelbachtal, Baden-Wurttemberg, Germany.
Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
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