Moh's scale is a HARDNESS scale, not a HARNESS scale.
Nickel has a hardness of 4 on the Mohs scale.
The Mohs hardness scale rating for brass is around 3 to 4.
Sulfur is a relatively soft mineral, with a hardness of 2 on the Mohs scale. It can be scratched by minerals with a higher hardness, such as calcite (3 on the Mohs scale) and fluorite (4 on the Mohs scale).
Stainless steel has a hardness level of around 5.5 on the Mohs scale.
Coal, as an organic sedimentary rock, is not determined to have a hardness on the Mohs scale of mineral hardness.
the Mohs hardness scale
Talc is the softest mineral on the Mohs hardness scale, with a rating of 1. It is commonly used in cosmetics and as a lubricant.
This scale was proposed by the Austrian geologist Friderich Mohs.
It's called the Ore
Diatomite has a hardness of around 5.5 on the Mohs scale of hardness.
Google "Mohs hardness scale". This is a relative hardness scale which compares one mineral's hardness to another. (It is between 3.5 and 5.5 on the Mohs hardness scale)
The Mohs scale compares the hardness of an object or substance.
Topaz is number 8 on the Mohs scale.
Nickel has a hardness of 4 on the Mohs scale.
The hardness is 3-4 on Mohs scale.
The softest material in the mohs scale is talc
Azurite has a hardness of 3.5 to 4 on the Mohs hardness scale.