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The body is full of minerals. Some of them just show on the outside. Fingernails are made up of keratin. Keratin is a type of protein the body no longer needs, but cannot be broken down.
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A human fingernail has a hardness of approximately 2.5 Which two minerals are softer than a human fingernail?
Graphite and Talc
What minerals are soft enough to be scratched by a fingernail?
talc, gypsum
What are the two minerals that you can scratch with a fingernail?
talc and gypsum
Which two minerals are softer than a human fingernail?
bcsj
What rock is soft enough to be scratched by a nail?
Rocks that mostly contain minerals like mica, gypsum, and talc can be scratched by a fingernail.
How could a fingernail be made minerals?
The body is full of minerals. Some of them just show on the outside. Fingernails are made up of keratin. Keratin is a type of protein the body no longer needs, but cannot be broken down.
A human fingernail has a hardness of approximately 2.5 Which two minerals are softer than a human fingernail?
Graphite and Talc
What minerals are soft enough to be scratched by a fingernail?
talc, gypsum
What are the two minerals that you can scratch with a fingernail?
talc and gypsum
Which two minerals are softer than a human fingernail?
bcsj
What three minerals can be scratched by a fingernail?
bob fred and bobby
What is the fingernail test?
The fingernail test is for minerals and if a mineral is soft then you stick your fingernail in the mineral and if it is below 10 on the moh's hardness scale then it can put a dent into the mineral hope that helps!!
What can scratch gypsum but can be scratched by all other minerals?
The human fingernail can just scratch gypsum, but is softer than all other minerals.
How could you find out the relative hardness of three minerals if you had no tools and couldn't use your fingernail?
Test each against the other two, like testing a diamond by scratching glass with it.
What material is fingernail made of?
The human fingernail is made almost entirely of a protein known as keratin. The same is true of human hair.
Which minerals can be easily scratched by a fingernail has cleavage a metallic luster and has a black streak?
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.
Could a fingernail get caught in your throat?
yes
