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Can hematite be scratched by a nail?
No, hematite is harder than a nail and cannot be scratched by it. Hematite typically ranks around 5.5-6.5 on the Mohs scale of mineral hardness, while a nail ranks at around 4.
What unknown mineral is found to scratch apatite and to be scratched by corundum?
The unknown mineral would be topaz. Topaz lies between apatite and corundum on the Mohs scale, making it capable of scratching apatite and being scratched by corundum.
Which mineral can be scratched by a steel nail?
Calcite is a mineral that can be easily scratched by a steel nail due to its relatively low hardness compared to steel.
Can quartz be scratched by a iron nail?
Generally no; it's a handy field guide to try scratching crystals with a knife blade. Quartz isn't scratched, calcite is.
Can halite be scratched by a nail?
Halite has a hardness of 2.5 on the Mohs scale, while a fingernail has a hardness of about 2.5 as well. Therefore, halite can be scratched by a nail.
Can hematite be scratched by a nail?
No, hematite is harder than a nail and cannot be scratched by it. Hematite typically ranks around 5.5-6.5 on the Mohs scale of mineral hardness, while a nail ranks at around 4.
What is pyrite scratch?
It can be scratched by a diamond, corundum, topaz, and quartz.
What unknown mineral is found to scratch apatite and to be scratched by corundum?
The unknown mineral would be topaz. Topaz lies between apatite and corundum on the Mohs scale, making it capable of scratching apatite and being scratched by corundum.
Can corundum be scratched by diamond?
No, corundum cannot be scratched by diamond. Diamond is the hardest known mineral on the Mohs scale, ranking at 10, while corundum ranks at 9. This means that diamond can scratch corundum but not vice versa.
What mineral can only be scratched by one mineral?
Diamond is the hardest mineral and can only be scratched by another diamond.
Can lead be scratched by a nail?
Yes.
Which mineral can be scratched by a steel nail?
Calcite is a mineral that can be easily scratched by a steel nail due to its relatively low hardness compared to steel.
Can quartz be scratched by a iron nail?
Generally no; it's a handy field guide to try scratching crystals with a knife blade. Quartz isn't scratched, calcite is.
Can sulfur get scratched by a nail?
No, sulfur is harder than a nail so it cannot be scratched by a nail. Nails are typically made of iron, which is softer than sulfur. Therefore, if a nail comes into contact with sulfur, the nail is more likely to scratch than the sulfur.
Can halite be scratched by a nail?
Halite has a hardness of 2.5 on the Mohs scale, while a fingernail has a hardness of about 2.5 as well. Therefore, halite can be scratched by a nail.
Can diamonds be scratched with a nail?
No. Only another diamond can scratch a diamond.
Can feldspar be scratched by a nail?
Yes. It is much harder than your fingernail.
