Rock or Mineral: What's the Difference

Описание к видео Rock or Mineral: What's the Difference

Rocks and minerals are all around us, but how do you tell the difference. What makes a rock a rock and what makes a mineral a mineral? Watch this short video to learn all about these important materials. Learn more at nps.gov/geology
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Find an audio described version of this video at:    • Rock or Mineral: What's the Differenc...  
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