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World's rarest gemstone: What it looks like and its cost
Unique in its kind, the rarest gemstone in the world is called kyawthuite. The unique specimen is currently housed in the Natural History Museum of Los Angeles County. Where it came from and its ...
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What Is The Rarest Gemstone?
The world's rarest gemstone is made of kyawthuite, a transparent reddish-orange mineral that’s known from just one sample ...