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Rocks that mostly contain minerals like mica, gypsum, and talc can be scratched by a fingernail.

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13y ago

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What rock is soft enough to be scratched with a knife?

soapstone


What rock is soft and eaisly scratched?

as part of my science homework we have to give an example of a rock which is soft and easily scratched but I don't know what rock that is please help?


Can talc be scratched by a steel nail?

Yes, because talc is very soft.


Can sulfur be scratched by a nail?

No, sulfur cannot be easily scratched by a nail because it is a relatively soft material compared to metals like iron or steel. Sulfur has a Mohs hardness of 1.5–2, while iron nails typically have a hardness of 4-5 on the Mohs scale.


What rock has colourless chunk that breaks apart into cubes and has no lustre and is soft enough to be scratched by fluorite?

Calcite perhaps (although it does not form cubes).


What minerals are soft enough to be scratched by a fingernail?

Minerals that are soft enough to be scratched by a fingernail include gypsum (2 on the Mohs scale), talc (1), and calcite (3).


Which rock would be scratched with the finger?

A very soft rock like gypsum or talc would be scratched easily with a finger. Rocks like quartz, granite, or diamond would not be scratched by a finger.


Can graphite be scratched by a fingernail?

Yes, graphite is a relatively soft mineral with a hardness of 1-2 on the Mohs scale. This means it can be easily scratched by materials with a higher hardness, such as a fingernail, which typically has a hardness of around 2.5.


What is the metamorphic rock composed of the mineral Talc?

Soapstone is a metamorphic rock composed of the mineral talc. Soapstone is a non-foliated metamorphic rock with a microcrystalline texture. It is very soft and can be easily scratched.


How hard is biotite?

it is not hard because you can split the mineral


Why is wax easily scratched?

Because it is soft


Which mineral has the same hardness of a fingernail?

The mineral that has a similar hardness to a fingernail is gypsum. Gypsum has a Mohs hardness of 2, which makes it soft enough to be scratched by a fingernail.