Gem Silica from the historic Old Dominion Mine near Globe, Arizona. The mine was one of the early Arizona localities known for chrysocolla-bearing chalcedony and gem silica, and material from this district has long been prized by collectors
This is especially fine material with an almost gel-like look, strong blue color and excellent translucency. High-quality gem silica is the rarest and most valuable form of chalcedony colored by copper
Dominion Mine in, Gila County, Arizona, USA.
8.380 carats / 15 x 11.6 x 6.3 mm
Estimate: $850 - $950
