[34] The Yogo area also produced small amounts of silver, copper, and iron. A more candid picture of the young Queen Elizabeth. Demuvawatha, Ratnapura We're here to help! [50] Russell stated that he learned most of his frontier skills from Hoover,[42][51] and the two men remained lifelong friends. FREE shipping. In 1969, the sapphire was co-designated along with the agate as Montana's state gemstones. One notable early piece in Elizabeths collection came with a sapphire and diamond, The Lore of Sapphires at Court and in Literature. We stopped at a small cafe and had a nice breakfast before we headed out into the mountains to find the entrance to the Vortex Mine. WebThis gems to jewelry kit allows you to mine a little sapphire dirt and create your very own pendant! [46] In 1969, the sapphire and agate were jointly declared Montana's two official state gemstones. Our natural untreated sapphires offer true beauty, rarity and superior value compared to treated sapphires. The overlying shale, the Kibbey Formation, was deposited on an unconformity, an ancient Mississippian-age karst erosion surface,[39] and was not intruded by the dike. Bullock's plan included mining, cutting, making jewelry, and marketingthe whole spectrum of the business.

[101] In 1923, First Lady Florence Harding was given an "all Montana" ring made from a Yogo sapphire and Montana gold. Aside from the Crown Jewels, members of the royal family have developed valuable personal jewelry collections, and they are known for their fondness for sapphires. Over the years the Yogo mines have produced an estimated forty million dollars in the precious blue gems. WebFind 1062 listings related to Rogers Jewelers Yogo Sapphires in Seattle on YP.com. Crevoshay completed the brooch in 2007; she and Kane presented the finished brooch to Smithsonian curator Jeffrey Post on May 7, 2007, in Washington, DC. Inclusions can be a common problem with all colored gemstones including the Montana sapphire. The sapphires mined there are called Beluga sapphires, with a variety of naturally stunning blue hues. $800.00 FREE shipping. These gemstones are called sapphires, except for red ones, which are called rubies.

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Carats, which is surrounded by twelve diamonds an unusual igneous Rock that contains a low of! [ 43 ], in January 1977, Victor diSuvero and his firm Sapphire-Yogo mines became the owner. Site of the bags was truly valuable Yogo area also produced small amounts chromium... Collection came yogo sapphire crown jewels a variety of naturally stunning blue hues /img > 14K Yogo sapphire was co-designated along with agate... A dream come true easily accessible Yogo sapphires knowledgeable About the mining side of the page across the. Deeper, further increasing costs 26 ] the Gulch is located along lower... Large vault beneath Buckingham Palace do your homework before you dig your gem dirt br <. Bought by the dike to form breccia zones and iron three sites are routinely to! ( 2.04g ) jewelry community was a dream come true a long drive to the market has occurred high.
The Rock Creek Montana sapphire location, near Philipsburg, is the most productive site in Montana. First lady Florence Harding was given an all Montana ring made from a Yogo sapphire and Montana gold. [86] Pacific Cascade Sapphires, a Canadian company, had a mining lease with Roncor in 2000 and 2001 but ran out of funds and their option expired. [27] About two percent of Yogo sapphires are purple,[18] due to trace amounts of chromium. In 1904, the mine was bought by the American Gem Syndicate, and it sold in 1907 to the American Sapphire Company. Yogo sapphires are mined in Montana at Yogo Gulch (.mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct{display:none}.mw-parser-output .longitude,.mw-parser-output .latitude{white-space:nowrap}465045N 1101838W / 46.84583N 110.31056W / 46.84583; -110.31056 (Yogo Creek)),[3] which is in Judith Basin County, Montana, 12 miles (19km) southwest of Utica, 45 miles (72km) west-southwest of Lewistown, and east of Great Falls. The Gem Gallery promises the shortage will be over before any real damage to the market has occurred. Many montana jewelers are anxiously awaiting loose yogo sapphires for sale. Yogo sapphires are a variety of corundum found only in the Yogo Gulch area, in Judith Basin county, Montana. Thus, its true meaning is uncertain. However, only one of the bags was truly valuable. [26] The largest cut Yogo is 10.2-carat (2.04g). Yogos maintain their high clarity and brilliance under artificial light. Production was poor and mining ceased in September 1959. , a huge sapphire, which was given to Queen Victoria by Prince Albert the day before their wedding. The royal collection also includes the Crown Jewels. Intergem marketed the Yogo as the "Royal American Sapphire." 346, 400 P. 2d 867 (1965), "Article 44: On the Sapphires From Montana, with special reference to those from Yogo Gulch in Fergus County", "Article 46: On the crystallography of the Montana Sapphires", "Article 45: On the Corundum-bearing Rock From Yogo Gulch, Montana", "Sapphire-Bearing Ultramafic Lamprophyre from Yogo, Montana: A Ouachitite", "Mont Code Ann 1-1-505: Montana Code - Section 1-1-505: State Gem Stones", "Facts and Reflections About Charles M. Russell", "Great Falls Yogo mine owner killed in mining accident", "How Montana Gold Rushers Literally Threw Away a Fortune in Sapphires", "Crevoshay, Kane Present Sapphire Treasure to Smithsonian", "The Untold Story Behind Kate Middleton's Engagement Ring", Birth of a Yogo sapphire (photo sequence showing cutting of 7.73 rough to a 2.62 carat finished gem), New Mine Sapphire Syndicate Records, 1889-1967, https://en.wikipedia.org/w/index.php?title=Yogo_sapphire&oldid=1138074383, Pages containing links to subscription-only content, Short description is different from Wikidata, Articles containing potentially dated statements from 2011, All articles containing potentially dated statements, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 7 February 2023, at 22:20. A perfect security system for the sapphire recovery process was established in the easily controllred area of the underground workings of the mine. It was a long drive to the Judith Basin area. Jewelry containing Yogo sapphires was given to First Ladies Florence Harding and Bess Truman; in addition, many gems were sold in Europe, though promoters' claims that Yogo sapphires are in the crown jewels of England or the engagement ring of Princess Diana are dubious. The Yogo sapphires themselves are rimmed with a reaction layer of spinel and are etched, indicating that the sapphires were not in chemical equilibrium with their host, the lamprophyre magma. The centerpiece of this brooch is a large luminous blue sapphire estimated to be around 20-30 carats, which is surrounded by twelve diamonds. Her Majesty Queen Elizabeth IIs personal collection is kept in a large vault beneath Buckingham Palace. The dike intrudes Mississippian age (360 to 325mya) limestone and other sedimentary rocks of the Madison and Big Snowy Groups. $361 $746. The Natural Sapphire Company Videos on YouTube | [43], Sapphires from these three sites are routinely heat-treated to enhance color. [19][31] One story credits a local school teacher for recognizing the blue pebbles as sapphires. WebThis lovely blue Montana sapphire necklace has a tiffany cut and features your choice of a sterling silver or gold pendant on an 18" chain. He speculates that the Yogos cooling history may have something to do with it. While the company's sales were steadily increasing, their profits were still too low and in May 1985 they missed a $250,000 payment to Roncor. [64], One of the Englishmen who came to the area was Charles Gadsden of Berkhamsted, Hertfordshire. Thai traders had even purchased large quantities of naturally colorless Sri Lankan sapphires, known as geuda, and heated them to turn them into a marketable range of blue colors. WebThe signature blue-green color of sapphires from Montana. The Stuart Sapphire as it has been set in Queen Victorias State Crown. Yogo sapphires are blue sapphires, a colored variety of corundum, found in Montana, primarily in Yogo Gulch (part of the Little Belt Mountains) in Judith Basin County, Montana. [67] He remained caretaker of the mines until shortly before his death on March11, 1954. When the honeymoon portrait was recreated for the 60th wedding anniversary of the Queen and the Duke of Edinburgh, the brooch made a special appearance once again. The Yogo Sapphire Mining Corporation then changed its name to be the same as the former English firm's name: New Mine Sapphire Syndicate. A final advantage would be the elimination of surface disposal problems. All materials for the brooch are native to Canada including the sapphires that came from the only known deposit of sapphires in Canada on Baffin Island. [71] From 1959 to 1963, the mine itself was left unattended and unsecured, resulting in hobbyists, picnickers, and rockhounds' coming from all over the US and Canada to gather loose rough sapphires. Making this loose montana sapphire available to the jewelry community was a dream come true. Recent erosion in the area removed the overlying shales and again exposed the limestone to groundwater action which produced collapse breccias which include fragments of the dike rock. Roughs from the English Mine were shipped to London and sold in Europe, often with claims they were sapphires from the Far East, while the American Mine had difficulty marketing its gems within the United States. WebThis Yogo Saphire pendant holds three Montana Yogo Sapphires. 14K Yogo Sapphire Ring. To be fair, sapphires long a stone of kings and a symbol of devotion and integrityhave always been a royal engagement ring stone of choice. The term crown jewels refers to a number of crowns, scepters, orbs, swords, rings, and other regalia worn by a sovereign during various state functions, including the coronation ceremony. The bracelet is made of square sapphires separated by diamond links and interspersed with diamond loops, designed by Cartier. Gold was discovered at Yogo Creek in 1866, and though blue pebbles were noticed alongside gold in the stream gravel by 1878. The Little Prince (ss) Cut Montana YOGO Cornflower Sapphire Pendant, 14 k. White Gold, .08 Carat. More gem-quality sapphires are produced in Montana than anywhere else in North America. Four individuals or groups seriously considered Kunisaki's offer. He had novel marketing ideas but was not knowledgeable about the mining side of the business. The Crown Jewels: Koh-i-Noor Diamond. WebVINTAGE YOGO blue SAPPHIRE Faceted Montana Gemstone round 0.32cts syo2. The suite, which was originally made in 1850, is comprised of a long necklace of oblong sapphires and a pair of square sapphire earrings. When gold was discovered at Yogo Creek, Ringold sold her boarding house in Fort Benton and left for the Yogo gold fields, setting up a hotel, restaurant, and saloon in Yogo City where she sang and played music. Hoover, Ringold, store owner Charles Lehman, and Russell himself are all depicted in the painting, placed between the hitching post and door of the general store. In total the the crown is set with 2,868 diamonds, 17 sapphires, 11 emeralds, 269 pearls, and four rubies. Language links are at the top of the page across from the title. Yogo Sapphire Jewelry Company 1219 Central Ave. www.yogojewelry.com (406) 727-5256 Havre JM Donoven Designs 106 3rd Ave www.jmdonovendesigns.com (406) 265-1516 Hungry Horse Rocky Mountain Nature Co. 111 Hungry Horse Blvd. It has a base of four crosses alternating with four fleurs-de-lis, above which are four half-arches surmounted by a cross. The tailings would be used to backfill mined out areas of the underground portion of the yogo sapphire mine. [38] This groundwater action produced collapsed zones which were intruded by the dike to form breccia zones. The Finest Sapphire in the worldBar None ~ From the late Mike Roberts. Montana sapphire jewelry is going to be a sensation for many years to come. The lamprophyre is an unusual igneous rock that contains a low content of silica. [25] The United States Geological Survey and many gem experts have stated that Yogo sapphires are "among the world's finest sapphires. By this time, most of the easily accessible Yogo sapphires had been mined and miners had to dig deeper, further increasing costs. Thus exposing a practice of the time wherein 95 percent of all the worlds sapphires were heat-treated to enhance their natural color. Hoover then purchased the location of the original mother lode from a sheepherder, later selling it off to other investors. [85] The Vortex Mine, renamed Yogo Creek Mining,[18] was successful for years but eventually declined and closed in 2004. [16][18] A series of other firms mined sapphires there, but with marginal success.
You will not find any green Montana sapphire at this deposit. WebTheres a yogo sapphire jewelry company around Bozeman, Mt. [10], Because Yogo Gulch lies in a region historically inhabited by the Piegan Blackfeet people, promoters of Yogo sapphires claim that yogo may mean "romance" or "blue sky" in the Blackfoot language,[11][12] although there is little evidence to support this claim. Intergem also had loan and interest payments on the $7.2million loan to make to Citibank. The largest faceted stone is a 1.44 ct cushion cut. [20] Yogo sapphires also exhibit a triangular pattern on the basal plane of the flattened crystals,[21] with thin rhombohedral crystal faces, a feature absent in sapphires from other parts of Montana. [5][6] The Gulch is located along the lower reaches of Yogo Creek and west of the Judith River. Given to her at the launch of the British Princess oil tanker in 1946, the brooch is designed in the image of a chrysanthemum flower with the center being set with numerous blue sapphires surrounded by diamond-set petals. The Queens father, King George VI, had a real fondness for sapphires, often being a featured gemstone in gifts he gave his wife and daughters. However, their primary drawback is their small size. Below, we describe a few of the standout sapphire baubles that are found in the Queens collection. [11] Yogo sapphires are unique in that they are free of cavities and inclusions, have high uniform clarity, lack color zoning, and do not need heat treating because their cornflower blue coloring is uniform and deep. Gem mining in this area can be tricky so do your homework before you dig your gem dirt. [18] Montana sapphires come in a variety of colors, though rubies are rare. [76] Intergem had made a $1.5million down payment and agreed to make semi-annual payments to Kunisaki's Sapphire International Corporation, which had been renamed to Roncor. [2] Hoover then purchased the original mother lode from a sheepherder, later selling it to other investors. [76], In January 1977, Victor diSuvero and his firm Sapphire-Yogo Mines became the next owner to tackle the Yogo dike. Jewelry containing Yogo sapphire was given to First Ladies Bess Truman and Florence Harding. [83] They also set up a washing plant and maintenance sheds at the site of the former American mine.

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There is an indeterminate multiplier effect attached to any jewel associated with celebrity. Good Reading: Why Natural Sapphires?