Streak plate are ideally sized for filed or lab testing. to test, rub across the specimen to determine streak color; use black for light minerals. size: 2inchx2inch. package of 10
Streak platets are ideally sized for filed or lab testing. to test, rub across the specimen to determine streak color; use black for light minerals. size: 2inchx2inch. package of 10
Spot Plate, white polystyrene plates have 12 depressions and are suitable for most applications where glass or porcelain plates are used, not recommended for strong solvents such as acetone or xylene, Each plate measures 112 x 92mm, Sold as a pack of 12, Size: 12 Cavity