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Silicide spherules from space fetch astronomical prices at auction

Staff Writer | December 11, 2023 | 12:34 pm News Specialty Minerals 

The stellar prices for rocks from space reached new record heights in November when a cosmogenic silicide spherule of Radzinsky Collection provenance, an artifact of the catastrophic cosmic impact of ancient times, was sold for almost $25,000 per gram at Heritage Auction....

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