Category Oxide minerals Strunz classification 4.GB.10 Crystal system Orthorhombic | Formula
(repeating unit) Ba(UO2)6O4(OH)6•8H2O Dana classification 5.7.1.3 | |
 | ||
Crystal class Pyramidal (mm2)
(same H-M symbol) | ||
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.
References
Billietite Wikipedia(Text) CC BY-SA