1971
0.0
0
January 1, 1971
13m
Shows how common rocks and minerals can be identified by color, texture, hardness, streak and other standard procedures.
Original Title
Rocks and Minerals: How We Identify Them
Spoken Languages
Production Countries
United States of America
Budget
N/A
Revenue
N/A
Production Companies
Director
Writer
Producer
Composer
Screenplay
Production Companies
Coronet Films
Director
N/A
Writer
N/A
Producer
Tom Ascher
Composer
N/A
Screenplay
N/A
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