Uranocircite
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Uranocircite or Uranocircite-II is a uranium mineral with the chemical formula: Ba(UO₂)₂(PO₄)₂·10H₂O. Uranocircite-I was discredited. It is a phosphate mineral which contains barium and is a green to yellow colour. It has a Mohs hardness of about... Wikipedia
Category: Phosphate mineral
Crystal class: Ditetragonal dipyramidal (4/mmm); H-M symbol: (4/m 2/m 2/m)
Crystal system: Tetragonal
Other characteristics: Radioactive