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What is concrete nail?

a nail designed to penetrate concrete and hold


What is the hardness of a steel nail on the Mohs scale?

The hardness of a steel nail is about 4.5 (About the same hardness of the mineral Fluorite.)


Scratching a mineral with a nail is a test of what?

Scratching a mineral with a nail is a test of hardness. It helps determine the relative hardness of the mineral compared to known substances on the Mohs scale of mineral hardness.


What hardness does a mineral have if it scratched by glass but scratched an iron nail?

It would have to be 5.0 because glass has a hardness of 5.5 and an iron nail has the hardness of 4.5


What hardness does a mineral have if it is scratched by glass but scratches an iron nail?

It would have to be 5.0 because glass has a hardness of 5.5 and an iron nail has the hardness of 4.5


What minerals can a steel nail not scratch?

A steel nail cannot scratch minerals that are harder than itself, which has a Mohs hardness of about 4.5. This means it cannot scratch minerals such as quartz (hardness 7), topaz (hardness 8), corundum (hardness 9), and diamond (hardness 10). These minerals possess greater hardness and will resist scratching by a steel nail.


What does a mineral have if it is scratches by glass but scratches an iron nail?

It would have to be 5.0 because glass has a hardness of 5.5 and an iron nail has the hardness of 4.5


What does a mineral have if it is scratched by glass but scratches an iron nail?

It would have to be 5.0 because glass has a hardness of 5.5 and an iron nail has the hardness of 4.5


Scratching a mineral with a nail is a test of .?

hardness


What is scratching a mineral with a nail a test of?

hardness


How is hardness tested?

Mineral hardness is tested on a glass plate or usually a finger nail.


Scratching a mineral with a nail is a test of?

Scratching a mineral with a nail is a test of hardness. The Mohs scale of mineral hardness ranks minerals from 1 (softest) to 10 (hardest), with talc being the softest and diamond being the hardest. If a mineral can be scratched by a nail (with a hardness of around 2.5), it would be classified as having a hardness lower than 2.5 on the Mohs scale.