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Minerals are basic building blocks of Earth.

 

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HELPFUL LINKS

1. US Geological Survey

2. PA's Geologic History

3. NASA

4. Discovery News

5. The Weather Channel

6. How Stuff Works

7. Smithsonian

8. National Geographic

9. The History Channel

10. Pitts. Post Gazette

11. Beaver County Times

 

Pyrite, or "Fool's Gold," gets its name from the greek word pyros, meaning fire. Why?

 
 

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