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Minerals FAQs - 21 Found
What's the difference between a rock and a mineral?
A rock is an aggregate of one or more minerals; or a body of undifferentiated mineral matter.
What is granite?
What is serpentine?
What is "Fool's Gold?"
What is the meaning of the karat mark on gold jewelry?
Where can I find information about mineral commodities?
USGS Spotlight Questions