Rate: Rocks and Minerals: How We Identify Them
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Rocks and Minerals: How We Identify Them
[BE THE FIRST TO RATE THIS MOVIE]Calorie Rating: 18
Released: 1971-01-01
MPAA Rating: NR
Running Time: 13 Minutes
Studios: Coronet Films,
Shows how common rocks and minerals can be identified by color, texture, hardness, streak and other standard procedures.
