The Largest Faceted Cerussite Gem in the World
The Largest Faceted Cerussite Gem in the World. Museum Cut Cerussite gem, 896 cararts, from Tsumeb, Namibia

The Light of the Desert is a cerussite gem in the Royal Ontario Museum's collection. It is the world’s largest faceted example of cerussite. The raw cerussite was discovered in Tsumeb in northern Namibia and acquired by a gem cutter from Arizona who then cut the raw material into the gem on display.



The cutting and transport of this gem is a delicate business as cerussite is extremely fragile and sensitive to changes in temperature changes and vibration. After it was cut in Arizona, the gem was placed in a box, then wrapped in a large woolen scarf and a winter vest, and then hand transported to Toronto for display.

Cerussite is known for its dispersion (or fire). Dispersion is the amount of light a gem will pass through the colour spectrum.

Cerussite is one of the only gems with adamantine (diamond-like) luster.


Light of the Desert is the largest faceted cerussite gem in the world.

 
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