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
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
Thermometer, Material: Glass, Dual scale, Mounted on aluminum back, Filling: 3 grams of Toluene mixed with red color, Temperature: -20 deg to 110 deg C