Scientists Unearthed A Never-Before-Seen Mineral Inside Of A Diamond

Cullinan Mine, The Source Of Royal Jewels

The Cullinan Mine was named after Thomas Cullinan, who discovered the world’s largest rough diamond there in 1905. The Cullinan Diamond weighed 3,106.75 carats, or 1.4 pounds.

Queen Elizabeth II wears a crown with diamonds from the Cullinan mine.
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The diamond was cut into various sizes, and the largest sits on the British Royal Family’s Sovereign’s Sceptre with Cross. Queen Elizabeth II even has some on her crowns.