Mohs Hardness Test Kit Mohs Hardness Picks 5 Pack Mohs Hardness Tester Industrial Mineral Identification Kit Gem Jade Jewelry 5-9 Scratch Tester

these are just stones that have been 'set' (very crudely) on the end, they dont even inlcude anything under 5 so conducting something like a Calcite vs Fluorite test is just not an option...if your going to spend 3 figures on a test kit you want something like the item in the link below which you can find on other sites a bit cheaper.https://www.amazon.co.uk/Mohs-Hardness-Test-Industrial-Applications/dp/B01DPQNXJA/ref=asc_df_B01DPQNXJA/?tag=googshopuk-21&linkCode=df0&hvadid=310864933873&hvpos=&hvnetw=g&hvrand=5228151714259906239&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9045372&hvtargid=pla-459174067577&psc=1