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  2. Opal - Wikipedia

    en.wikipedia.org/wiki/Opal

    Multicolored rough opal specimen from Virgin Valley, Nevada, US. The Virgin Valley [39] opal fields of Humboldt County in northern Nevada produce a wide variety of precious black, crystal, white, fire, and lemon opal. The black fire opal is the official gemstone of Nevada. Most of the precious opal is partial wood replacement.

  3. List of U.S. state minerals, rocks, stones and gemstones

    en.wikipedia.org/wiki/List_of_U.S._state...

    Nevada [46] [47] Metal: Silver (1977); Nevada's nickname is the Silver State: Sandstone (1987) Precious Gemstone: Virgin Valley black fire opal (1987) Semiprecious Gemstone: Nevada turquoise (1987) New Hampshire [48] Beryl (1985) Granite (1985); New Hampshire's nickname is the Granite State: Smoky quartz (1985) New Jersey [49] Franklinite [50 ...

  4. Virgin Valley - Wikipedia

    en.wikipedia.org/wiki/Virgin_Valley

    The downstream Nevada half of the valley has the very beginnings of Lake Mead, about 20 miles (32 km) upstream, where the Virgin River used to flow. Littlefield, AZ in the valley's northeast [ 4 ] is located at 36°54′0″N 113°56′0″W  /  36.90000°N 113.93333°W  / 36.90000; -113.

  5. Massive fire burning in California and Nevada is spawning ...

    www.aol.com/massive-fire-burning-california...

    The fire on the California-Nevada state line is still “growing rapidly” and creating extreme conditions that are making it more dangerous and difficult to control, fire officials said Monday ...

  6. Sheldon National Wildlife Refuge - Wikipedia

    en.wikipedia.org/wiki/Sheldon_National_Wildlife...

    Rockhounds search for precious opal, agates, petrified wood, carnelian, obsidian, rhyolite, jasper, hyalite opal, and psilomelane, among other semiprecious gemstones. The Virgin Valley Mining District is known for black opals , the Nevada State Gemstone, still very active with multiple fee-dig mines.

  7. World's most expensive opal literally glows in the dark - AOL

    www.aol.com/news/2015-08-13-world-s-most...

    Meet the "Virgin Rainbow" – perhaps the finest and certainly the most expensive opal on record. It literally glows in the dark. In fact, as it gets darker around the opal, the opal appears ...

  8. Flora Haines Loughead - Wikipedia

    en.wikipedia.org/wiki/Flora_Haines_Loughead

    Nevada's Virgin Valley is a source for precious black opal gemstones and replacing woods. Her next career started in 1915 when she was sent to investigate the discovery of opals in Virgin Valley, Nevada, 400 miles (640 km) from San Francisco.

  9. Wildfires ravage California and Nevada amid heatwave, prompt ...

    www.aol.com/news/wildfires-ravage-california...

    The Line Fire in the foothills of the San Bernardino National Forest spans over 26,400 acres as of Tuesday morning, and stands just 5% contained while threatening some 65,600 structures, according ...

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