Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Uploaded on Jun 8, 2009
Valuable rocks can be found all over the world, and their value depends upon the scarcity of the rock. Learn about different valuable rocks, such as gold, silver or garnets with help from a lab manager and research scientist in this free video on identifying rocks.
Expert: Jane Stammer Contact: amrc.mines.edu Bio: Jane Stammer is a lab manager and research scientist in the Advanced Mineralogy Research Center at the Colorado School Of Mines. Stammer has a master's degree in geology. Filmmaker: Clay Roberts