Profitable gem production comes from the 300-foot level in a mine that may be the greenest in Montana. Princess-Cut Yogo Sapphire Tennis Bracelet in White Gold. Montana Sapphire Engagement Ring - "Something Blue" Bridal Set. 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. We sadly left the Vortex mine, figuring we wouldnt get another experience like this anytime soon. Cold Hard Facts: weight: 0.67 carats; shape: emerald cut; dimensions: 6.91 x 3.82 x 2.14mm; natural in color | unheated; video available upon request The sapphires are darkest in the middle, getting lighter as they reach the edge, all surrounded by diamonds and set in white gold. She has worn this set on many outings and chose to wear this set for an official portrait for Canada. She told Dr. Baker, I am not aware of any Yogo Gulch sapphires set in any piece of jewelry belonging to a member of the British family. The suggestion that Princess Dianas engagement ring contains a Yogo sapphire is likewise probably not truethe stone is much too large and probably came from Sri Lanka. The yellow gold band has midnight blue enamel with touches of turquoise enamelaccent detail, coordinating with the. The assay office then sent them to Tiffanys in New York, where an appraiser pronounced them the finest precious gemstones ever found in the United States. They started marketing Yogo sapphire as the worlds only guaranteed untreated sapphire. More gem-quality sapphires are produced in Montana than anywhere else in North America. From Queens to Missoula Dick Berg, industrial minerals geologist with the Montana Bureau of Mines and Geology in Butte, studies these gems for decade. The slightly misshapen octahedral shape of this rough diamond crystal in matrix is typical of the mineral. A contemporary and timeless creation, the round "R"setting by Steven Kretchmer Designs features a vibrant cornflower blue Montana Yogo sapphire. White gold with curling milgrain detail and diamonds make up the outer design and reach down the shoulder of the ring. Made in Italy with the finest materials, this Yogo Sapphire and diamondring can expand up several finger sizes. Well explore those pieces next inEuropean Royal Sapphires | A Love Affair with Sapphire Jewelry. 18K Yellow Gold Yogo Sapphire & Diamond Band - "Five Seed". Formal portrait of Queen Elizabeth II from 1959. The largest recorded Yogo rough, found in 1910, it weighed 19 carats and was cut into an 8-carat gemstone. Yogo sapphires are mined in Montana at Yogo Gulch, 12 miles southwest of Utica, 45 miles west-southwest of Lewistown and east of Great Falls. Why Do Labs Not Agree On Sapphire Gradings? Hoover then purchased the location of the original mother lode from a sheepherder, later selling it off to other investors. Contact us to start the process on your own Aurum signet or band. First lady Florence Harding was given an all Montana ring made from a Yogo sapphire and Montana gold. Sapphires throughout the world, other than Yogos, are found in old alluvial stream deposits; where they have been washed away from their original source. The Yogo mine was recently closed again, this time due to the untimely death Mike Roberts. Aside from the Crown Jewels of the United Kingdom, the royal family has amassed a jewelry collection, which is notably heavy on sapphires, a royal favorite.The jewels in the Queens collection do not belong to the state but are the personal property of Elizabeth II. No chemicals help with ore processing, and absence of sulfides means theres no acid formed in the local water system, a dramatic difference from most Montana mines. The rough yogo sapphire crystal is often small and flat. Yogo Sapphire. Boone, N.C.David Hollingsworth Ellis, a well-known jewelry industry salesman, died Dec. 28 following an illness. The material doesnt occur in a very wide area but it was hopefully the location of the next big Yogo sapphire. Did you know? Abeautifully chictennis braceletshowcasing dazzlingprincess-cut Montana Yogo sapphireaccents. 6 East 45th St, 20th Floor -Adel Chefridi, Yogo Sapphire Freeform Cabochon Station Necklace - "Rainfall". A more candid picture of the young Queen Elizabeth. 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Raw sapphire engagement ring, 925 silver, Montana sapphire rings Condition: New with tags Price: US $90.00 Add to cart Add to Watchlist 2 . He speculates that the Yogos cooling history may have something to do with it. Are you looking for Yogo Sapphire jewelry to sell in your retail store? Mining activity today is largely confined to hobby miners in the area; the Vortex yogo sapphire mine is the only major commercial mine currently in operation. This gemstone rich area was inhabited by the Blackfeet Indians long before anyone thought about mining Montana sapphires. Yogo sapphire appeared in the personal gem collections of the Duchess of York, Princess Mary and Queen Victoria of England. Sterling Silver Yogo Sapphire Necklace-"Arrow". Many of the jewels in the Queens collection were inherited from her ancestors. Bezel set diamonds and the vibrant blue of Montana's ownYogo sapphires contrast with the matte finish of the piece, adding to the quiet beauty of these earrings. A final advantage would be the elimination of surface disposal problems. Obviously touched, the Queen wrote in her diary that Albert came to her sitting room and presented her with a beautiful sapphire and diamond brooch. $ 198.00 Size Add to Cart This yogo sapphire ring features a sterling sliver rose design. Sold Out. Montana Yogo Sapphire Tiara Band - "Rhapsody in Blue". When Queen Mary passed away in 1953, this brooch passed to Queen Elizabeth, but it was Queen Elizabeth the Queen Mother who wore the piece until her death in 2002. The first almost accidental mining reportedly earned Jake Hoover $3,750a fortune, and five times what Hoover made on goldfrom the Tiffany Company. They are considered to be among the finest sapphires in the world. Sapphires were credited with the ability of preventing poverty, making an irritable man good-tempered and a stupid man wise. Queen Elizabeth wearing the Russian sapphire cluster brooch. Order and geometry meets romance and royalty. Abeautifully chictennis braceletshowcasing dazzlingprincess-cut Montana Yogo sapphireaccents. Two shafts would be dug into the dike and regular mining methods would be used to prepare the first stage of mine creation. Tiffanys gemologist, George F. Kunz, had written Gems and Precious Stones of North America just five years earlier and had known of the lower-quality Missouri River sapphires for 30 years. Explore. He found one thing clear, he doesnt know why the 48-million-year-old Yogo sapphires are deep blue where as the other Montana sapphires, like those from the Rock Creek District near Philipsburg and the El Dorado deposit outside of Helena, are much lighter shades. Yogos sapphires range in color from violet to cornflower blue, though it is the distinct beautiful blue stones and their exceptional clarity that give Yogos their worldwide prestige. 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