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Yes. The MOH's scale is relative, it's not exact. To know if something is a 3 you would need higher and lower hardnesses to test against.

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Which mineral on Mohs Hardness Scale will scratch calcite but will not scratch apatite?

Fluorite, which has a hardness of 4 on the Mohs Hardness Scale, can scratch calcite (hardness 3) but will not scratch apatite (hardness 5). Thus, fluorite fits the criteria of being able to scratch calcite while not being able to scratch apatite.


What can scratch calcite?

calcite is a 3 on the Mohs scale of Hardness and can scratch anything that's under it. just that simple


What is the mohs hardness of scale of limestone?

The hardness is 3-4 on Mohs scale.


Which object can scratch calcite but not apatite?

On the Mohs mineral hardness scale, calcite is about a 3, and apatite is about a 5. So, whatever is at a hardness of 4 will scratch a 3 but not a 5. That mineral is fluorite.


How hard is silver on the Mohs scale?

I don't found the Mohs hardness of plutonium but: - the Brinell hardness is 242 at r.m. - the Vickers hardness is 255 at r.m. After a hardness conversion chart an equivalent Mohs hardness may be 3,7.


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

Dolomite has a hardness of 3.5-4 on the Mohs scale of hardness.


Can a steel file scratch muscovite?

Yes, a steel file can scratch muscovite because muscovite has a Mohs hardness of 2.5-3, while a steel file typically has a hardness of around 6.5. Harder materials can scratch softer materials according to the Mohs scale of mineral hardness.


What is the Mohs hardness scale rating for brass?

The Mohs hardness scale rating for brass is around 3 to 4.


What is a penny on Mohs hardness scale?

A penny has a Mohs hardness of around 3.5. This means that it can be scratched by harder materials like glass or quartz, but it can scratch softer materials such as chalk or talc.


What will scratch calcite?

Using the Mohs Mineral Hardness scale, calcite has a hardness of 3. Hence anything with a hardness of 3 or above can scratch calcite (i.e...quartz and fluorite).


What is the hardnessof a mineral that scratches the gypsum but can't scratch fluorite?

Between 2 and 4. Calcite, which has a hardness of 3, is one example.


Which material would scratch the other quartz or calcite?

Quartz, with a hardness of 7, will scratch calcite, with a hardness of 3.