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What can graphite be scratched by?
Graphite can be scratched by materials that are harder than it, such as diamond and tungsten.
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.
Which mineral has the same hardness of a fingernail?
The mineral that has a similar hardness to a fingernail is gypsum. Gypsum has a Mohs hardness of 2, which makes it soft enough to be scratched by a fingernail.
Can an emerald be scratched by a fingernail?
No, emeralds are relatively hard gemstones, ranking 7.5-8 on the Mohs scale of mineral hardness, while a fingernail ranks around 2-2.5. This means that an emerald should not be easily scratched by a fingernail.
Can halite be scratched by a nail?
Halite has a hardness of 2.5 on the Mohs scale, while a fingernail has a hardness of about 2.5 as well. Therefore, halite can be scratched by a nail.
What can graphite be scratched by?
Graphite can be scratched by materials that are harder than it, such as diamond and tungsten.
What mineral that has a nonmetallic luster and is black it can also be scratched with a fingernail what is it?
The mineral you are referring to is likely graphite. Graphite has a nonmetallic luster, is black in color, and has a low hardness that allows it to be scratched by a fingernail.
Which mineral can be esily scratched by a fingernail has cleavage a metallic luster and has a black streak?
The mineral that fits this description is graphite. Graphite is very soft and can be easily scratched by a fingernail. It has a metallic luster and a black streak.
What mineral has nonmetallic luster is black and can be scratched by a fingernail?
The mineral that fits this description is graphite. It has a nonmetallic luster, is black in color, and has a low hardness that allows it to be easily scratched by 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.
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 easily scratched by a fingernail has cleavage a metallic luster and has a black streak?
The mineral that fits this description is graphite. It is easily scratched by a fingernail, has cleavage, exhibits a metallic luster, and leaves a black streak when rubbed on a surface.
What will scratch serpentine and what does not scratch it?
The Mohs hardness of serpentine is 2,5-3; it a soft mineral. Not scrached by a graphite pen; scratched by fingernail, copper etc.
Which mineral on Mohs hardness scale can be scratched by your finger?
Talc, which has a hardness level of 1 on the Mohs scale, can be easily scratched by a human fingernail.
Can talc be scratched by a fingernail?
Yes, talc is a mineral with a Mohs hardness of 1 and can be easily scratched by a fingernail, which has a hardness of around 2.5.
Can halite be scratched by a fingernail?
Yes, halite is a soft mineral with a Mohs hardness of 2.5, which is lower than the hardness of a fingernail (2.5 on the Mohs scale). This means that halite can easily be scratched by a fingernail.
Can magnetite be scratched by finger nail?
Yes, magnetite is harder than a fingernail and cannot be easily scratched with it. Magnetite has a Mohs hardness of 6, while a fingernail typically has a hardness of around 2.5.
