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Watertown, South Dakota USA
Dominion Gems: High-end Gold & Gemstone Mines & Mining Claims for sale; Gems, Fine Minerals & Crystal Specimens;
Virgin Valley Nevada Opals, Specimens, Mines & Mining Claims for sale; Fine Agates & Jaspers; fine Apache Agate specimens from Mexico; Mineral Exploration & Consulting related to mining claims. Mining Claim Research and Validity Studies for Opal Mines and Mining Claims in Virgin Valley, Nevada. We are REAL life gold & gemstone prospectors, we mine/buy/sell/trade etc.

Website / Shop LAST UPDATED: 04/10/2026

DOMINION GEMS BLOG: Digging Deeper
Thanks for visiting my blog about mining, minerals, gems and so much more! . Hope you enjoy the blog!
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Oregon's Opal Butte Mine is producing again!
I'm happy to write here that the Opal Butte Mine in Oregon is again producing beautiful opals! From the source: "after a long awaited 25 years the Opal Butte Mine out of Oregon has now officially reopened! It is currently being mined on a daily basis and we are pulling high quality pieces off of the mountain every day! We will be available to answer questions and take custom orders via social media, phone, or email! Looking for a specific price range, size, or colors? J

wentzellgems
May 171 min read


Giant Ruby Unearthed in Mogok Gem Tract (May 2026) May be 2nd largest ever (Myanmar, previously Burma)
In Myanmar, several rare and precious giant rubies have been discovered over the years, including the 99.25-gramme SLORC ruby found in 1990, a massive 4,290-gramme ruby unearthed in 1996, and the 557.85-gramme NaSaKa ruby discovered in 2022; although the 1996 ruby remains the largest by weight, the recently discovered ruby is regarded as more valuable due to its superior colour, clarity, and overall quality. After the democratic government elected by the people through free a

wentzellgems
May 82 min read


What is a Bluecap Tourmaline from the famous 1972 find at the Pala Queen Mine worth today?
What are Bluecap Tourmalines from the famous 1972 find at the Tourmaline Queen Mine at Pala California worth today

wentzellgems
Nov 11, 20256 min read


In Memory of Harriet Marie Brashear, Opal Mining Pioneer in Virgin Valley NV
It is with great sadness and a heavy heart to announce the passing of H. Marie Brashear on 12/10/2018, who was well-known and loved by all in Virgin Valley. Marie and her family had been coming to the valley since the 1970s and had numerous claims and a millsite here. She was preceded in death by her daughter, Leah Brashear, of Denio/Virgin Valley (2005). Marie is survived by her grandchildren Richard and Crystal, and now watches over them from above. Marie was also heavily i

wentzellgems
Dec 13, 20182 min read


Mintabie Opal Field in Australia CLOSING
The well-known Mintabie (aka "Mintubi") Opal Field in South Australia has been shut down by the Australian Government. Mintabie has...

wentzellgems
Mar 9, 20181 min read


Proof that John Church of Swordfish Mining Virgin Valley Opal in Nevada is a Highgrader and Thief
John Church is a highgrader, claimjumper and thief, beware all in Virgin Valley Nevada Opal Mines!

wentzellgems
Nov 30, 20172 min read


Rogerley Fluorite Mine Closed w/Update (NOT CLOSING) ????
I've just learned that the very famous and productive Rogerley Mine, in Durham, England,known for it's daylight fluorescent Fluorite, has...

wentzellgems
Jan 25, 20161 min read


GIA Reports on a new deposit of Black Opal from Ethiopia
GIA reported in late 2014 that a new deposit of naturally occurring black opal has been found at the Stayish Mine near Gashena, south of...

wentzellgems
May 25, 20151 min read


Buying "Black" Opals on Ebay- a warning to consumers about treated Smoked Opals sold as na
THIS POST UPDATED FEBRUARY 2015. By now you have all seen the beautiful opals coming out of the Welo ("Wollo") Province in Ethiopia:...

wentzellgems
Jun 11, 20144 min read


Ed Swoboda, 1917-2013: Tribute to a Gem of a Miner
Ed Swoboda On January 5, 2013, the jewelry, gem and mineral world lost a great person, and giant legend, Edward Swoboda. Ed was a...

wentzellgems
Jan 3, 20135 min read


Happy Birthday to an old Friend: George Ashley, gone but not forgotten
Today is the birthday of an old friend who was one of the main influences in my early years and my becoming a gem prospector/miner: ...

wentzellgems
Nov 24, 20121 min read


Red Rock Canyon, California, Precious Opal
One of my greatest joys when I was younger and living in Southern California was visiting my friends at an opal mine near Red Rock...

wentzellgems
Apr 23, 20122 min read


LEGAL INFO ABOUT THE OPAL MINING CLAIMS AND DEPOSITS IN VIRGIN VALLEY, NEVADA USA (Lode vs Placer):
UPDATED 2019. All content copyright by Christopher Wentzell. NO REPORODUCTION ALLOWED. Virgin Valley lies in the northwestern corner of Nevada, southwest of Denio. Opals were first discovered here as float material, and claims were staked beginning in 1905. The original claims were for the surface float (alluvial) opal which had weathered out of the in-place deposits. Between 1918 to 1940, the surface float was exhausted, leaving only the in-place opal bearing

wentzellgems
Apr 11, 20129 min read
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