Mohs hardness set; in a display box, 1-10; 1 piece

Mohs' hardness determination method with natural minerals of ordinary size in hardness grades 1-10, 1 pc.

In the Mohs scale of hardness by Friedrich Mohs, each degree of hardness is represented by a mineral. Each mineral in the hardness scale scores the preceding ones and is scored by the following ones.

With this set it is very easy to find out the degree of hardness.

The following minerals and hardness grades are included:

1 - Talc

2 - Gypsum

3 - calcite

4 - fluorite

5 - apatite

6 - orthoclase

7 - quartz

8 - topaz

9 - corundum

10 - diamond

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