Glass Depression Slide, for use with specimens in liquid, Quality-Slide-Making Supplies, Aquatic Microorganisms Visible with These Slides, Round Corners for Safety, Thickness: 1.5 mm, Length: 3in, Width: 1in, Pack of 12
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