Thread: The Ultimate Trivia Thread
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Old 01-13-2015, 01:57 PM   #321
crich70
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Quote:
Originally Posted by Luffy View Post
The commonest material in the world is Perovskite, named after the mineralogist Count Lev Perovski. It's a mineral compound of magnesium, silicon and oxygen. It accounts for half of the world's mass and is what most of the Earth's mantle is made of.
Interesting. I honestly have never heard of it before.
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