Opals from Virgin Valley are primarily specimen only. They are casts after wood and can appear as limbs twigs or even pinecones. The colors of opal from Virgin Valley can vary widely; from colorless to black.
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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.
Nevada black opal. Few sights compare to a large black opal in your hand with the sun over your shoulder. This black dried without a crack.
This is a piece of a limb cast I dug Oct. I have been scowering the internet for some time trying to find my play of color pattern in another opal, so far no luck. The mine I dug this from is the Royal Peacock, well known for their peacock opal from conk wood.
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.
Nevada's state precious gemstone is the black fire opal. Considered one of the most beautiful of Nevada's gemstones, Virgin Valley black fire opal was designated the precious gemstone on May 27, Nevada turquoise was also recognized in as the official state semi-precious gemstone.
While the high desert of northern Humboldt County, in Nevada may at first appear empty, unpopulated, and even desolate, you might be surprised to learn that within the Virgin Valley mining district, there are thousands of claims, some of them patented, which mean that the Federal Government has passed the title to the claim owner, making it private land. Here, a BLM sign points the way towards a precious opal mining adventure for those rockhounds who want to fee dig at one of the several mines that allow public digging. It's the middle of June, but this female still sports a bit of winter scruff and she might still need it.