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Andrew Alden

What Is a Mineral?

By March 28, 2013

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mineralSome really basic questions turn out to be more basic than the basics. Like, "What the heck is a mineral?" It takes a while to sort out the possibilities and complications and come up with a simple answer. But I have done that. A mineral is any substance with all of four specific qualities. See what those are.

Barite crystals — Geology Guide photo


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