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AN ANCIENT TREASURE


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AN ANCIENT TREASURE


Two Billion Years Old


 

Discovered in the Precambrian rocks of Canada’s Northwest Territories, the Foxfire’s origins can be traced back to the earliest history of our planet.

Subject to extremely high pressure and temperatures reaching up to 400°C, this mass of carbon was transformed into a raw diamond. In this state, the Foxfire remained sealed within the earth’s core — approximately 200 kms below the surface of our planet.

55 million years ago, the earth began to cool and develop a crust. In Canada’s remote tundra, volcanic activity brought molten magma up to the surface, scattering it in all directions. As this magma cooled, bluish-green volcanic structures called kimberlite pipes were formed. Relatively rare, kimberlite ore is famously rich in diamonds and other precious gems. The ore found in the Diavik mines was no exception.

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OVER 2 BILLION YEARS AGO, THE FOXFIRE WAS JUST A LUMP OF CARBON, HIDDEN DEEP WITHIN THE CENTER OF THE EARTH


OVER 2 BILLION YEARS AGO, THE FOXFIRE WAS JUST A LUMP OF CARBON, HIDDEN DEEP WITHIN THE CENTER OF THE EARTH

A REMARKABLE DISCOVERY


 

Through sheer luck alone, the Foxfire’s elliptical shape allowed it to pass through the primary sizer, escaping certain destruction.

In Diavik’s mining practice, once the kimberlite ore is retrieved, it is transported to an on-site plant to be processed. There, the ore passes through a “primary sizer,” in order to break the kimberlite up into smaller, more manageable fragments. From there, the ore is sent through a set of powerful magnets to remove debris before being crushed a second time for further refinement.

In a typical process, the diamonds would then be separated from the powdered ore using density-based and non-chemical procedures. Lighter particles are removed, leaving behind a heavy mineral concentrate, which is rich in diamonds and other stones such as olivine, garnet, spinel and diopside. X-Rays are then used to extract the diamonds from the concentrate, while photoelectric sensors direct air blasts to blow the diamonds from the conveyor belt into collection containers.

Bypassing the standard refinement process, its pure, original form was preserved, resulting in the largest known gem quality diamond ever discovered in North America.

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WERE IT NOT FOR THE FOXFIRE’S UNIQUE, ELLIPTICAL SHAPE, THE DIAMOND WOULD HAVE STOOD NO CHANCE OF ESCAPING INTACT


WERE IT NOT FOR THE FOXFIRE’S UNIQUE, ELLIPTICAL SHAPE, THE DIAMOND WOULD HAVE STOOD NO CHANCE OF ESCAPING INTACT