Opal — Gallery · Minerals.net

White Opal — Coober Pedy, Australia

White Opal — Mexico

Precious Opal on Matrix — near Mezezo, Shewa Plateau, Amhara, Ethiopia

Black Opal — Virgin Valley, Humboldt County, Nevada

Black Opal — Virgin Valley District, Humboldt County, Nevada

Precious Opal on Matrix — Australia

Boulder Opal — Aeromaga Area, Queensland, Australia

Andamooka Opal — Andamooka, Australia

Precious Fire Opal — Near Mezezo, Shewa Plateau, Amhara, Ethiopia

Cherry Opal / Mexican Fire Opal — Queretaro, Mexico