Extraordinary Wulfenite Crystal Minerals 12:39 PM A+ A- Print Email Wulfenite | #Geology Formula: Pb(MoO4) System: Tetragonal Colour: Orange-yellow, yellow, ... Lustre: Adamantine, Sub-Adamantine, Resinous Hardness: 2½ - 3 From: Albuñuelas, Granada, Spain Photo: Christian Rewitzer