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Calcium
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calcium
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What mineral has nonmetallic luster is black and can be scratched by a fingernail?
Magnatite is the mineral that has a nonmatallic luster, is black, and can be scratched by a fingernail.
Which mineral can be scratched by a fingernail?
Talc is one such mineral and as such is a reference mineral in the Mohs Hardness Scale.
What mineral can be scratched by a penny?
nickel
Which mineral on Mohs hardness scale can be scratched by your finger?
Talc (1 on the Mohs Hardness Scale) can be scratched by a fingernail.
Which mineral can be scratched by glass but not a penny?
A topaz
What mineral has nonmetallic luster is black and can be scratched by a fingernail?
Magnatite is the mineral that has a nonmatallic luster, is black, and can be scratched by a fingernail.
Which mineral can be scratched by a fingernail?
Talc is one such mineral and as such is a reference mineral in the Mohs Hardness Scale.
What mineral can be scratched by a penny?
nickel
Which mineral can be easily scratched by a fingernail has a cleavage 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.
Which mineral can be scratched by glass but not a penny?
A topaz
Which mineral on Mohs hardness scale can be scratched by your finger?
Talc (1 on the Mohs Hardness Scale) can be scratched by a fingernail.
What mineral you can scratch with your fingernail?
The most commonly known mineral that can be scratched with a fingernail is talc.
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.
Which mineral could be scratched by a glass but not by a penny?
minearls
Which mineral can be easily scratched by a fingernail has cleavage a metallic luster and has a black streak?
azurite is one of the minerals that has a light blue streak.
If a mineral can be scratched by a fingernail but not by a pocket knife what does that tell us about the mineral?
It would have a Mohs hardness somewhere between 2.5 and 5.5.
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.
