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you can scratch talc becuase it is the softest mineral on the moth scale.
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Why can your fingernail scratch talc?
Talc is a very soft mineral, ranking as 1 on the Mohs scale of hardness, and your fingernail is harder at around 2.5. This means your fingernail can easily scratch talc due to the difference in hardness levels.
What mineral you can scratch with your fingernail?
The most commonly known mineral that can be scratched with a fingernail is talc.
Can a fingernail scratch a talc?
Talc i assigned a hardness of 1 according to the Mohs scale of hardness. This implies that talc has the least hardness and therefore is soft and can be scratched by a fingernail.
If you scrape a rock with your fingernail and your fingernail leaves a scratch it must be?
Your nail is 2.5 so the rocks you can scratch are, Gypsum and Talc.
What are the two minerals that you can scratch with a fingernail?
Talc and gypsum are two minerals that can be scratched with a fingernail due to their low hardness on the Mohs scale.
Can a fingernail scratch some minerals?
Yes. But only soft ones such as talc (solid form of chalk and baby powder). Generally only minerals below 2 on the hardness scale.
What can talc scratch?
Talc can scratch Talc , although Talc's hardness varies it is considered a soft mineral, that can even be scratched with a finger nail. Any mineral or material with a hardness equal to or greater than 1 on the Mohs hardness scale will be able to scratch talc. Talc is the softest mineral listed on the Mohs scale, listed as a 1 on the scale which is graded from 1 through 10, with 10 being the hardest (diamond).
Can talc be scratched by a fingernail?
Talc i assigned a hardness of 1 according to the Mohs scale of hardness. This implies that talc has the least hardness and therefore is soft and can be scratched by a fingernail.
What can scratch gypsum but can be scratched by all other minerals?
Talc can scratch gypsum, but can be scratched by all other minerals. Talc is the softest mineral on the Mohs scale, with a hardness of 1, making it easily scratched by minerals with higher hardness values. Gypsum has a Mohs hardness of 2, so talc can leave a mark on it.
Which mineral can be scratched by a fingernail?
The most commonly known mineral that can be scratched by a fingernail is talc.
A human fingernail has a hardness of approximately 2.5 Which two minerals are softer than a human fingernail?
Talc and gypsum are two minerals that are softer than a human fingernail. Talc has a hardness of 1 on the Mohs scale, while gypsum has a hardness of 2.
Can talc scratch glass?
No. Talc is the softest mineral. It can't scratch anything that is harder that itself. Talc is number 1 on the Mohs scale, a scale of hardness, but diamond is number 10, which means that diamond is very much the harder of the two. You can't even scratch a diamond with a fingernail, hardness of about 2.5, so talc with even less hardness doesn't stand a chance against the mighty diamond! See Related Links below this box for more information about the hardness of talc, diamonds and other materials.
