Excerpt from Mineralogy: Conserving Our Precious Minerals from the Show Me Science series from TMW Media to purchase this title on DVD, go to http://www.tmwmedia.com/Wonders_of_Chemistry__Physics.html Summary: Throughout history, minerals have played an important role in the story of human progress. Advancing through the ages of electricity, the Industrial Revolution and the Microelectronics age, modern civilization has been built upon the use of earths mineral resources. This program surveys the so
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