Wulfenite, 6.3 cm, from the Old Yuma mine, Tucson Mountains, Pima County, Arizona. Ex collection of Bryant Harris, who obtained it from Bill Larson in 1982. Jeff Scovil photo.
Yuma Mine — a classic Arizona locality in the Tucson Mountains, prized for vivid vanadinite and wulfenite in oxidized ore, with notable cerussite and calcite.
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