Wulfenite

Red Cloud Mine, Trigo Mountains, Silver District, La Paz County, Arizona  USA (2001)

Specimen size: 3 × 2 × 1 cm = 1.18” × 0.79” × 0.39”
Main crystal size: 1.5 × 1.3 × 0.3 cm = 0.59” × 0.51” × 0.12”