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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.
Is a fingernail a mineral?
No, a fingernail is not considered a mineral. Minerals are naturally occurring inorganic substances with a specific chemical composition and crystalline structure, whereas a fingernail is made up of keratin, a protein produced by living organisms.
What mineral can be scratched by a penny but not a fingernail?
Copper sulfide minerals, such as chalcocite and bornite, can be scratched by a penny but not a fingernail. This is due to the Mohs hardness scale, where these minerals have a hardness greater than a penny (3.5) but less than a fingernail (2.5).
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).
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.
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.
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.
Is a fingernail a mineral?
No, a fingernail is not considered a mineral. Minerals are naturally occurring inorganic substances with a specific chemical composition and crystalline structure, whereas a fingernail is made up of keratin, a protein produced by living organisms.
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 three minerals can be scratched by a fingernail?
bob fred and bobby
What mineral can be scratched by a penny but not a fingernail?
Copper sulfide minerals, such as chalcocite and bornite, can be scratched by a penny but not a fingernail. This is due to the Mohs hardness scale, where these minerals have a hardness greater than a penny (3.5) but less than a fingernail (2.5).
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).
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!!
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.
What mineral you can scratch with your fingernail?
The most commonly known mineral that can be scratched with a fingernail is talc.
Which two minerals are softer than a human fingernail?
Talc and gypsum are two minerals that are softer than a human fingernail, which has a hardness of about 2.5 on the Mohs scale. Talc has a hardness of 1, while gypsum has a hardness of 2.
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.
