yes graphite can be scrathced by a nail
Chat with our AI personalities
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.
Graphite can be scratched by materials that are harder than it, such as diamond and tungsten.
Well you see, it's pretty simple. If a fingernail has a hardness of 2.5, and the question is asking what mineral can easily be scratched by a fingernail. Well then it is Graphite. It has a less hardness than your fingernails.
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.
No, emeralds are relatively hard gemstones, ranking 7.5-8 on the Mohs scale of mineral hardness, while a fingernail ranks around 2-2.5. This means that an emerald should not be easily scratched by a fingernail.
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.