Mohs measures relative hardness (quartz is harder than orthoclase; topaz is harder than quartz), but it doesn't accurately tell HOW MUCH harder something is than something else. There is another scale, called the Rockwell, which does this.
Mohs scale
hardness
The Mohs scale is used to measure the hardness of minerals.
The Mohs hardness scale.
This scale is correctly called the Mohs scale. Scientists use this scale to measure a rock's hardness or softness. They can discover how hard a mineral or rocks is and drill in to it and find out more about it.
The Mohs scale is used to determine the relative hardness of minerals.
Mohs hardness scale measures that.
The Mohs scale is used to determine the relative hardness of minerals.
it is used to measure the hardness of a material.
the mohs hardness scale
The Mohs Hardness Scale. PS: Talc is one of the softest minerals
Pure copper has a Mohs Hardness of 3. So called copper coins have a Mohs hardness of 3.2-3.5. Please see related links.