Shows how common rocks and minerals can be identified by color, texture, hardness, streak and other standard procedures.
Release Date | January 1, 1971 | |
---|---|---|
Status | Released | |
Original Title | Rocks and Minerals: How We Identify Them | |
Runtime | 13min | |
Budget | — | |
Revenue | — | |
Language | — | |
Original Language | English | |
Production Countries | United States of America | |
Production Companies | Coronet Instructional Films |