Minerals have many different properties which make them unique from each other. One of the most obvious distinctions is the hardness.
The Moh's Hardness Scale collection offers 10 specimens which range from the softest (#1 Talc) to the hardest (#10 Diamond).
What You Get
Traditional Mohs Scale with a small diamond included. 10 specimens, approximately 2.5cm x 3.8cm (except diamond),.
Teach
- Geology
- Mineralogy