Macro Video! An amazingly extracted matrix specimen from a legendary find! The deep vug lined with sparkling black Chalcedony and large Chalcedony-pseudomorphed Wulfenite crystal makes for an exceptional perky box mounted presentation of the legendary Finch/Barking Spider Mine. Finch Mine, Keystone Gulch, Chilito, Hayden area, Banner Mining District, Gila County, Arizona, USA. 1" x 1 " x 1", .6 oz.