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What is the hardness of coal on the Mohs hardness scale?

Coal, as an organic sedimentary rock, is not determined to have a hardness on the Mohs scale of mineral hardness.


Is coal on the Mohs scale of hardness?

Yes, coal is not officially assigned a Mohs hardness value as it is not a mineral. However, coal is generally regarded as a relatively soft material compared to most minerals, and can be easily scratched with a fingernail or copper coin, which are examples of materials with hardness ratings lower than 2.5 on the Mohs scale.


What is the hardness of bituminous coal?

Bituminous coal has a hardness ranging from 1.1 to 2.2 on the Mohs scale, which measures the hardness of minerals. It is considered to be relatively soft compared to other types of coal, such as anthracite coal.


What is the hardness of coal on the Mohn hardness scale?

what would you use the mohns scale of hardness for


What is the hardness of anthracite coal?

Because it is a rock, not a mineral, the Mohs value will vary significantly from sample to sample. An average range would be between 3.0 and 3.8.


What is the hardness of azurite on the MOHS hardness scale?

Azurite has a hardness of 3.5 to 4 on the Mohs hardness scale.


What is the hardness of diatomite on the mohs scale of hardness?

Diatomite has a hardness of around 5.5 on the Mohs scale of hardness.


What is the hardness of Limonite on the mohs hardness scale?

The hardness of Limonite is 4 t0 5.5 on the mohs hardness scale.


What is the hardness of Flint according to the mohs scale of hardness?

flint is a type of quartz, so it has a hardness of about 7 on the mohs scale of hardness


What is the hardness of granite in Mohs hardness?

it is 6 1/2 in the mohs hardness scale


What is the name of the mineral hardness scale?

It's called the Ore


What is salts hardness?

The Mohs hardness of sodium chloride is 2,5. The Mohs hardness is established by comparison with other minerals, having a known hardness.