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Black Streak Plate (10-Pack)
This black streak plate is used for the streak test and hardness tests for minerals. Our streak plates are 2" x 2" tiles and clean easily with soap and water for years of use!
CC Directors: This is the type of streak plate needed for Cycle 1, Week 14's Streak Test Experiment. It is flat on both sides so students can perform the test and streak-write their name on the other side!