Nine reference minerals: Enables users to compare unknown materials against known hardness values for accurate identification
Mohs scale of hardness: Provides a standardized method for determining relative material hardness
Portable and easy to use: Compact set for convenient testing in the field or classroom
Made in USA: Ensures quality and authenticity of the educational kit
Summarized by Shop
Description: These Moh's hardness scales contain the 9 primary minerals of the Mohs hardness scale (excluding diamond) mounted on an identification plaque. A Mohs Hardness Scale sample kit is a collection of reference minerals with known hardness values, typically ranging from 1 (the softest) to 10 (the hardest), used to test and compare
