Via Geology.com:
Petra Diamonds plans to sell a 507-carat uncut diamond from their Cullinan mine in an auction on Friday. It could sell for about $25 million.
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February 24, 2010
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- ESCONI December 2021 General Meeting - December 3rd, 2021 at 8:00 PM via Zoom - "Paleoecology of the Herrin Coal Roof Shales Including Depositional Environment and Climate” #fossil #illinois #coal #paleontology #pennsylvanian #paleoclimate
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