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Black Streak Plates
Black Streak Plates
Price: $7.50
These 1" x 2" unglazed black porcelain tiles are ideal for streak testing of light colored minerals. The streak test is essential in mineral identification because it allows the color of the mineral to be obtained. Package of 10.
Product Number: SB26433M
 
Glass Plates
Glass Plates
Price: $12.95
Thick 1/4" glass plates for hardness testing of rocks and minerals. Package of 10 glass plates, each 1" x 2".
Product Number: SB14188M
 
Streak Plates
Streak Plates
Price: $7.25
Unglazed porcelain tiles for streak testing of rocks and minerals. Package of 10 plates, each 1" x 2".
Product Number: SB14187M