2020 Some of the stones transform into intense blue colors. Yogo sapphires or Montana 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.Yogo sapphires are typically cornflower blue, a result of trace amounts of iron and titanium.They have high uniform clarity and maintain their brilliance under artificial light. Montana, the Treasure State, produces nearly all of the sapphire in the United States. The exclusive distributor of Gem Mountain Montana Sapphire gemstones and jewelry including rings, pendants, earrings, bracelets, and gents rings. This site is a much smaller deposit than Rock Creek.Custom Website Design by JTech Communications. Just below the 1.53-ct sapphire ring is the largest stone, weighing in at 10 carats rough. !At EMJ Sapphires we understand how important it is to have something special symbolizing the union two people form by joining their lives together. ©.In 1984, the owner of Yogo Gulch mining operations, Dennis Brown, started a rumor that Princess Diana’s engagement ring was, in fact, a Yogo sapphire unearthed during British control of the mine. This 2.85 ct Montana Rock Creek Sapphire was mined by my boyfriend at the time, now husband. As a result, these are very fine and untreated specimens, and collectors seek out large, rare sizes.At 0.65-ct, this Yogo sapphire is large for its locality, and displays the typical deep cornflower blue.Only about 2% of Yogo sapphires exhibit a deep purple color. Smaller in size than Missouri River sapphires, these more rounded sapphires are found in an assortment of colors: greens, light blues, pinks, yellows, and oranges. The rough stone weighed 6.4 cts and cut into this beautiful and saturated blue gem. The most popular color? At the time, these stones were waste that got in the way of extracting gold because no facilities for faceting and polishing sapphire existed anywhere nearby. Learn whether your gem will benefit from this consideration.Sapphirines are durable but very rare gemstones. Though this is unconfirmed and unlikely, this marketing stunt certainly didn’t hurt the Montana sapphire.Today, Yogo Gulch is an inactive mine. In all, the rough in this photo is 64 carats. The rough stone weighed 6.4 cts and cut into this beautiful and saturated blue gem. The pink and yellow stones have natural colors, and the green and blue stones have undergone heat treatment to enhance clarity and intensify color. Stones of three to five carats are rare but occasionally found.Montana Sapphires come in a rainbow of colors.Dry Cottonwood sapphires are very similar in nature to the sapphires from Rock Creek. Our sapphires come in a rainbow of colors including natural color-changers. Amazing sapphires!!! There are 327 montana sapphire rough for sale on Etsy, and they cost $468.09 on average. Nowadays, these deposits produce the largest of Montana sapphires, with 20.A view of snow-covered tail minings from the El Dorado Bar, one of the Missouri River sapphire deposits.Prospectors discovered sapphire in Rock Creek and in Dry Cottonwood Creek soon after. We haven't found anything quite like it since. The all natural Montana sapphire is your opportunity to own a “piece of Montana”, the Treasure State. All rights reserved.Join our mailing list below to download a.Ready to learn how to identify gems on your own?• Discover the 17 practical steps to gemstone identification (even if you’re just getting started with gemology),• Learn how you can use specific tools to gather data, make observations & arrive at an accurate ID.• Explore a range of gemological tests… not only will you get familiar with the process but also time-saving shortcuts!Why We Love Montana Sapphires and Yogo Sapphires,Choosing a Ring Style, Setting, and Metal,“Sapphire Mine Tailings on El Dorado Bar, Hauser Lake, Montana, 2015-12-27”,original geological source area for these gems is currently unknown,approximately 15% of rough is a marketable color prior to treatment,Due to high iron content, achieving the proper reducing conditions is tricky,Discover the 17 practical steps to gemstone identification (even if you’re just getting started with gemology),Learn how you can use specific tools to gather data, make observations & arrive at an accurate ID.Explore a range of gemological tests… not only will you get familiar with the process but also time-saving shortcuts. We haven't found anything quite like it since. Although sapphire and,This magenta-pink ruby is a true rarity. With rich cornflower blue Yogo sapphires and fancy-colored gems in any color of the rainbow, these stones are a great choice for any jewelry project. However, these stones tend to be small, with few above 0.5-ct. Join our weekly newsletter & get a free copy of the Gem ID Checklist!© Sizes for Rock Creek sapphires are generally one carat and less. Montana Sapphire Color; Montana sapphires are primarily known for their attractive blue and pastel colors. They are also found in secondary mines, meaning they are found not in their original rock matrix veins but have been forced up closer to the surface which makes them much more accessible than Yogo sapphires. He'd said "I want to find you a special stone" and did so in a short while. These stones respond very well to heat-treating, producing an amazing array of intense colors. As a result, these gems can be quite expensive. However, the source rock isn’t depleted. Pastel hues often occur in Montana sapphire and are not common in world sapphire production. When she isn't writing about gems and minerals, Addison spends winters studying ancient climates in Iceland and summers hiking the Colorado Rockies.Few gems have held our attention over millennia as well as.One of the most popular traditional jewelry stones,In a recent interview, Jeffery Bergman talks about his decades-long career as a,Don’t be fooled by overgraded diamonds. In the Rock Creek deposit,Some Montana sapphires from the Missouri River deposit undergo.Yogo sapphires have a beautiful deep cornflower blue color without any treatment. As a result, these pebbles were nearly worthless. ©,In terms of gem production in the United States, sapphire is,Four areas of Montana produce gem-quality sapphire.