How to Test Hardness of a Mineral
Make a chart if you want to plot your results.. Take a mineral and try to scratch it with your fingernail.. Try to scratch the mineral with a copper penny.
Steps
1
Make a chart if you want to plot your results.
Make a chart if you want to plot your results.
2
Take a mineral and try to scratch it with your fingernail.
Take a mineral and try to scratch it with your fingernail.
3
Try to scratch the mineral with a copper penny.
Try to scratch the mineral with a copper penny.
4
Use a steel nail to scratch the mineral.
Use a steel nail to scratch the mineral.
5
Rub a piece of quartz against the mineral to see if you can scratch it.
Rub a piece of quartz against the mineral to see if you can scratch it.
6
Repeat the scratch test for each of your minerals.
Repeat the scratch test for each of your minerals.
7
Figure out the hardest object that was able to scratch the mineral.
Figure out the hardest object that was able to scratch the mineral.
8
Locate the object that couldn't scratch your mineral.
Locate the object that couldn't scratch your mineral.
9
Decide if the mineral is the same hardness as one of the scratching objects.
Decide if the mineral is the same hardness as one of the scratching objects.
10
Look at the Mohs hardness scale to identify the mineral.
Look at the Mohs hardness scale to identify the mineral.
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