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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 mineral property are you testing if a fingernail scratches a mineral?
You are testing the relative hardness of the mineral.
What common tools are used to test hardness of a rock?
nail, penny, your fingernail, or other rocks
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 will scratch calcite?
Using the Mohs Mineral Hardness scale, calcite has a hardness of 3. Hence anything with a hardness of 3 or above can scratch calcite (i.e...quartz and fluorite).
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 a fingernail scratch a talc?
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 halite be scratched by a fingernail?
Marginally. Halite has a hardness of 2 to 2.5, about the same as a fingernail.
What does it mean for a fingernail to be the hardness of 2.5?
its on the mohs scale
A human fingernail has a hardness of approximately 2.5 Which two minerals are softer than a human fingernail?
Graphite and Talc
What is the hardness of a fingernail?
A humans fingernail is about 2.5 on Mohs scale. Im hoping i am correct!
What is used to test the hardness of a a mineral?
The Moh's scale is used to test the hardness of a mineral. It will be tested by a fingernail scratching it.
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 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.
What is corian hardness on Mohs scale?
The hardness of corundum on mohs scale is nine(9)
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!!
