Tags: Chemical Substance, Mineral.
Billietite is an uncommon mineral of Uranium that contains Barium. It has the chemical formula: Ba(UO2)6O4(OH)6•8H2O. It usually occurs as clear yellow orthorhombic crystals.Billietite is named after Valere Louis Billiet (1903–1944) Belgian crystallographer at the University of Ghent Ghent Belgium.