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No, emerald is a very hard substance.
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∙ 13y ago
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What can graphite be scratched by?
fingernail
Can graphite be scratched by a fingernail?
yes graphite can be scrathced by a nail
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.
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.
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.
What can graphite be scratched by?
fingernail
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.
Can halite be scratched by a fingernail?
Marginally. Halite has a hardness of 2 to 2.5, about the same as a fingernail.
What mineral can be scratched by a penny but not a fingernail?
Calcium
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 minerals are soft enough to be scratched by a fingernail?
talc, gypsum
What three minerals can be scratched by a fingernail?
bob fred and bobby
Can graphite be scratched by a fingernail?
yes graphite can be scrathced by a nail
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 on Mohs hardness scale can be scratched by your finger?
Talc (1 on the Mohs Hardness Scale) can be scratched by a fingernail.
What can emerald be scratched by?
Diamond
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.
