Serpentine, a group of minerals often associated with metamorphic rocks, typically has a hardness of 2.5 to 4 on the Mohs scale. This relatively low hardness indicates that serpentine is softer than many common minerals, making it susceptible to scratching and wear. Its properties and appearance can vary, but it is commonly green and often used as a decorative stone.
The hardness of Limonite is 4 t0 5.5 on the mohs hardness scale.
no one likes your Hardness! hardness is not a good character.
Pure materials, especially minerals, are measured on a hardness scale. There are three basic tests: indentation hardness, scratch hardness and rebound hardness. See Wikipedia
Uranite is not correct, if you mean URANINITE, it is ranges 5-6 hardness.
I really don't know what the hardness of Cinder is but by testing it I think it has a hardness of 4
The hardness of Limonite is 4 t0 5.5 on the mohs hardness scale.
flint is a type of quartz, so it has a hardness of about 7 on the mohs scale of hardness
what is the difference between Shore-A Hardness & Barcol Hardness
The hardness of conundrum is 9 on the Moh's hardness scale
Mohs hardness: 6 Brinell hardness: 196 MPa.
The Mohs hardness of sodium chloride is 2,5.
no one likes your Hardness! hardness is not a good character.
Dolomite has a hardness of 3.5-4 on the Mohs scale of hardness.
It has no hardness.
Azurite has a hardness of 3.5 to 4 on the Mohs hardness scale.
the hardness of Topaz is 8 on moes hardness scale
the mineral that has a hardness of 7 is "Quarts