Up for bid are 8 beautiful genuine YOGO MONTANA Sapphire gems. These baguette gems are matched and measure 3.5mm length by 2.1mm in width and weigh a combined 1.07cts. Great for jewelry. GREAT COLOR! These will show blue/violet-blue/blueish violet colors depending on the lighting conditions. These are suitable for jewelry (great accents for a custom diamond engagement ring), but also a great addition to your gem and mineral collection!
Species: 8 YOGO Montana Sapphires Locality: YOGO, Montana, USA
Weight: 1.07ctw Size: 3.5x2.1mm
Clarity: VS Treatment: none
Yogo sapphires are unique because they do not have silk so are a pure, uniform blue when mined. They do not require heating to improve clarity and to remove color zones. Yogos are some of the finest sapphires found anywhere in the world, but sizes are always small and a 1/2ct Yogo or larger are considered extremely rare.
Document showing the trail of the rough to the finished sapphire, From the mine owner to gem cutter, and then acquisition of the remaining inventory by Atlantis Gems Inc.
In March 1993, AMAX, Inc., a major mineral resource development corporation entered into a twenty-two-month lease-purchase agreement to acquire the mine. Field operations began in June 1993 and during the next two years, $2 million was spent on the project.
After considering the approximate $10 million cost to purchase the Yogo dike property and the high cost of underground mining, the company elected to not exercise the purchase option of its contract. During this option period Yogo rough gems were recovered, sent to Bangkok, Thailand for cutting, yielding approximately 1000 carats of faceted gems. Thus, the cost to AMAX was approximately $2000 per carat.
While some stones cut into magnificent gems as large as 1.8 carats, 80 percent of the rough yielded cut gems averaging less than 10 points. Atlantis Gems, advisor to Amax on the cutting, acquired the remaining faceted inventory in 1996. Atlantis manufactured Yogo jewelry for sale in its retail store in Denver, and with the closure of its retail outlet, the remaining inventory will be available for sale on EBAY. Supplies are limited to stock on hand.
For further information, please refer to the book "YOGO The Great American Sapphire" by Stephen M. Voynick, pages 198-200. Copies are usually available on EBAY or Amazon.
THE ITEM IN THE PICTURES IS THE ACTUAL ITEM FOR SALE!
THE PHOTOS ARE CONSIDERED PART OF THE ITEM DESCRIPTION- PLEASE LOOK AT ALL THE PICTURES BEFORE BIDDING. Please understand that the photos are ENLARGED to show detail for your
benefit- please use the measurements provided to understand the size
of the gem or specimen up for auction-
measurements are given in millimeters unless otherwise noted. There are
25.4mm in 1.0 inch.
~~~United States: Shipping/Packaging/Handling with insurance via USPS Priority Mail is a flat $14.95.
~~~Worldwide: I can send via Priority Mail or Priority Mail Express,
which will cost from $45.00 to $65.00 depending on the country and the
value of the package- please email me BEFORE BIDDING to ask any postage
questions
Returns- If for any reason you would like to return an item, please email me immediately upon receiving your item and before returning it. I have a 14 day return period. I will give you instructions on where to return the item. Once the item is received and inspected, I will issue you a refund for the purchase price of the item. Shipping is not refunded, and buyer must pay return shipping to me. If you purchased an item with FREE shipping, the shipping charges will be deducted from the refund. Please provide tracking info when you ship an item back.
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~Photos are enlarged to show detail of the item- please read the item description carefully and use the measurements provided to understand the size of the item you are bidding on. Most measurements are given in millimeters, there are 25.4 millimeters in 1.0 inch. If you have any questions about the relative size of an item or further details about an item, PLEASE EMAIL ME BEFORE BIDDING~ THANK YOU