The only Opal mine I can think of in Nevada is the Royal Peacock and like you said it's in the Northwest part of the state. These guys might be able to help you out. GPAA > Gold Prospectors Association of America ~Jack~ .
Hi Lunas, Are you sure you are not talking about Mystic Topaz? Those are the exact colors in that man made stone. Check out the Mystic Topaz on www.jtv.com. Good luck and hope it's it! :D
Yes you can. Opal is mainly hydrated silica (SiO2.nH2O). Like most rocks, it may contain miniscule amounts of uranium or other radioactive elements, but definately nothing to worry about. Certainly much less than zircon jewels or the luminous hands o...