HARDNESS PENCILS X8 (MOE 2 TO 9) + PLATES X3 Magnification_10X you are unlikely to use

you are unlikely to use it at more than 20X or 30X)

This weighing machine is not approved for use in trade

it means you need a new pen-probe

revolve the top filter until everything in the tube appears dark and place the stone on the platform in the middle

HARDNESS PENCILS X8 (MOE 2 TO 9) + PLATES X3 Magnification_10X you are unlikely to useSummary Set of ten hardness testers. 8 hardness picks ("pencils") from No. 2 to No. 9. 1 Glass plate (hardness 5. 5) 1 Brass plate (hardness 3. 5) Also 1 streak plate (to test a mineral's streak colour) 1 magnet 1 polishing stone to keep the tips sharp Each 'pencil' has a tip of a different hardness from No. 5 to No. 9 on the Moe scale of hardness (see 'Further Information'). Is it easy to use? Yes. See which will scratch your sample and which will