Are Yogo Sapphires Valuable

Yogo sapphire - Wikipedia

https://en.wikipedia.org/wiki/Yogo_sapphire

Yogo sapphires present an advantage to gemcutters: since they are found as primary constituent minerals within an igneous bedrock rather than in sedimentary alluvial deposits where most other sapphires are located, they retain a perfect or near perfect crystalline shape, making cutting much … See more

Gemological Characterization of Sapphires from Yogo Gulch, …

https://www.gia.edu/gems-gemology/summer-2018-gemological-characterization-of-sapphires-from-yogo-gulch-montana

Fortunately, Yogo sapphires are unique and experienced gemologists can easily separate them from gem corundum of different geographic origins …

Yogo Sapphires | Montana Yogo Sapphire Gemology | Gem …

https://gemgallery.com/yogo-sapphire-gemology

Yogo Sapphires are the most precious sapphires found in North America. They are considered to be among the finest sapphires in the world. These unique gems come from …

Why We Love Montana Sapphires and Yogo Sapphires - Gem …

https://www.gemsociety.org/article/montana-sapphires-yogo-sapphires/

Yogo sapphires have a beautiful deep cornflower blue color without any treatment. However, these stones tend to be small, with few above 0.5 carats. Most notably, these sapphires generally lack color zoning, a …

Yogo Sapphires - Montana Gems of Philipsburg

https://montanagems.net/yogo-sapphires/

Yogo sapphires were not recognized or valued at first. Gold was discovered at Yogo Creek in 1866, and though “blue pebbles” were …

Sapphire Value, Price, and Jewelry Information

https://www.gemsociety.org/article/sapphire-jewelry-and-gemstone-information/

Sapphire Value, Price, and Jewelry Information Few gems have held our attention over millennia as well as sapphire. The pure blue colors and excellent durability of this gem-quality member of the corundum family …

Montana Gem: Specializing in Yogo Sapphires

https://www.montanagem.com/

Yogo is the rarest of all Sapphires. In the late 1880s, Yogo City was like a ghost town. The hundreds of people who had come to the town looking for gold had deserted it. Only a …

Yogo Sapphires | About Yogo Sapphires | Gem Gallery

https://gemgallery.com/yogo-sapphire-history

The sapphires (now referred to as Yogo Sapphires) had more value than Hoover and his partners ever dreamed of, and they certainly were more valuable than all the gold …

Montana Yogo Sapphire Grading System – Arcanum

https://arcanum.us/valuation-service/antique-appraisals/montana-yogo-sapphire-grading-system/

Yogo sapphires are a singular and a highly unusual gemstone. Unlike other sapphires, Yogos are the only sapphire to be found in their original gem bearing dike. Sapphires …

Montana Sapphire - the Story of the Great American Gemstone

https://gemfix.com/montana-sapphire-history

What makes Montana sapphires even more valuable to many people is the way they are ethically sourced and mined, with consideration for the environment and an easy to trace “mine to market”. Just as with other …