This stunning specimen is described as Chalcedony on Chrysocolla stalactites From Ray Mine, Ray, Pinal County, Arizona. Scott Rudolph collection and photo: Jeff Scovil Visit Amazing Geologist for more. Image may contain: food
Exceptional and very rare Oregon opal with visual effect of being underwater when held to light.obtained at Opal Butte Mine. Oregon, USA ---- It looks like there is a dust-storm contained in this small gemstone
Ethiopian opal is still a new gemstone. Ethiopian opal is quite unique and different from more common Australian and Mexican opal. Not many people know about this opal yet. I am a gem cutter and have worked.