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Quartz (Mohs 7.0) and diamond (Mohs 10,0) are two of many minerals that are harder than copper (Mohs 2.5-3.0).
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∙ 14y ago
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∙ 11y agogoing by mohs scale of harness.the minerals are :talc and gypsum
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∙ 13y agoTalc and Graphite
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What minerals are soft enough to be scratched by a fingernail?
talc, gypsum
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.
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 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 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.
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
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.
Can halite be scratched by a fingernail?
Marginally. Halite has a hardness of 2 to 2.5, about the same as a fingernail.
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.
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.
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.
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.
Can an emerald be scratched by a fingernail?
No, emerald is a very hard substance.
