Kyawthuite, found in Myanmar, is the rarest mineral in the world.

What is the rarest mineral on Earth?

Most human eyes have seen the mystical beauty of quartz, perhaps unaware that it is the most common mineral on Earth, but which is the rarest? Minerals are scattered all over our planet, from glistening specks in gravel or sand to real hidden gems. According to Geological Society of the United States (opens in a …

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