|Photo: Joy Desor Mineralanalytik|
Billietite is an uncommon mineral of Uranium that contains Barium. It usually occurs as clear yellow orthorhombic crystals. Billietite is named after Valere Louis Billiet, Belgian crystallographer at the University of Ghent, Ghent, Belgium.
Color: Yellow to golden-yellow, amber-yellow, orange-yellow
Crystal System: Orthorhombic
From: Menzenschwand, St Blasien, Baden-Württemberg, Germany