A fantastic thumbnail from a legendary find! The Chalcedony/Quartz covered Wulfenite of the Finch/Barking Spider Mine is very hard to come by, this thumbnail features multiple colors from white to orange in the Wulfenite. The crystals stand nicely lending to a perfect translucency. Finch Mine, Keystone Gulch, Chilito, Hayden area, Banner Mining District, Gila County, Arizona, USA. .75" x.25" x.5", .1 oz