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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.
The largest producing mines of Virgin Valley have been the famous Rainbow Ridge, [40] Royal Peacock, [41] Bonanza, [42] Opal Queen, [43] and WRT Stonetree/Black Beauty [44] mines. The largest unpolished black opal in the Smithsonian Institution, known as the "Roebling opal", [45] came out of the tunneled portion of the Rainbow Ridge Mine in ...
The Opal mines are located in the Northern valley. [1] The Virgin Valley has mines that are rich in opals. The opals were discovered in about 1913. [2] The richest mines were owned by Flora Haines Loughead who had been a writer and a farmer but bought a string of claims after being sent to do a story for the San Francisco Chronicle. [3]
An estimated $200,000 worth of silver was mined from the above listed most productive mines around 1890, excluding the Peacock Mine. After the district wide shut down of all the mines, the Arlington Mine was reopened for a brief two years, from 1937–1939, in which made profits of $71,683. The Fourth Of July Mine was also reopened, from 1958-1964.
Obsidian (/ ə b ˈ s ɪ d i. ən, ɒ b-/ əb-SID-ee-ən ob-) [5] is a naturally occurring volcanic glass formed when lava extruded from a volcano cools rapidly with minimal crystal growth.
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The Potosi Mining District, or Potosi, was an area in Clark County of southern Nevada, U.S. It is listed on the National Register of Historic Places and includes three structures. [ 1 ] The town was named after the famous silver-mining city of Potosi , Bolivia .
The serial killer, who died in 2013 at age 53 while awaiting execution, is the subject of a new true-crime docuseries on Peacock, "Richard Ramirez: The Night Stalker Tapes."