Uranocircite
Uranocircite or Uranocircite-II is a uranium mineral with the chemical formula: Ba22·10H2O. 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 2.
Uranocircite was named after the Greek for "falcon" because it was discovered in Falkenstein, Germany. Uranocircite contains about 45% uranium in it and is mainly mined in Bergen in Saxony, Germany.
