Question

whats the rarest stone of the universe​

Answer 1

Painite was first discovered by British gemologist Arthur Charles Davy Pain in 1951 and recognized as a new mineral in 1957. For many years only one specimen of the dark red crystal was in existence, housed at the British Museum in London, making it the world's rarest gemstone.

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Answer 2

Answer:

TANZANITE // FOUND ONLY IN TANZANIA. ...

BLACK OPAL // THE DARKER THE BETTER. ...