This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found. Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.
Virgin Valley Nevada Opal Mines - Dominion Opal Mines
You don't have any Favorites saved yet. Look for the icon throughout the site to get started. But black fire opals? Not likely. Very places in the world produce this extremely rare and mysterious semi-precious gemstone, and the Virgin Valley in Nevada is one of them.
Nevada is famous for its beautiful, colorful black Opal. The state contains some very rich precious opal beds and has produced some spectacular and extremely valuable specimens. The Virgin Valley opal beds in northwest Humboldt County are perhaps the most famous gemstone locality in Nevada.
No eBook available Wiley. The first comprehensive book on the subject in over thirty years, The World of Opals is a complete guide to the science and history of these remarkable gems. It begins with a thorough examination of the physical properties and attributes of common and precious opals, with up-to-date information on opal formation, extraction, storage, and cutting. Next, it chronicles man's involvement with the stone from B.