This is a natural Chalcosiderite stone from the Nevada New Lander Mine. The New Lander Mine produces Turquoise, Chalcosiderite and Faustite. All are listed within the Turquoise family of minerals. If a vein is Aluminum rich, then it is considered Turquoise, if it is Iron rich, then it is considered Chalcosiderite and lastly, if Zinc rich, then it is considered Faustite. All are valuable, collectible and beautiful.
Total weight of this stone is 15.0 ct including the Devcon backing.