A true survivor from an uncommon location. Wafer-thin bladed crystals, some with color zoning, with an over mineralization of Calcite. One large Wulfenite crystal, structurally supported by the Calcite shows many zones. Defiance Mine, Costello Mine group, Gleeson, Turquoise Mining District, Cochise County, Arizona, USA. 2.25" z 1.5" zx 1.4", .8 oz.