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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 halite be scratched by a fingernail?
Marginally. Halite has a hardness of 2 to 2.5, about the same as a fingernail.
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.
What does it mean for a fingernail to be the hardness of 2.5?
its on the mohs scale
What material is fingernail made of?
The human fingernail is made almost entirely of a protein known as keratin. The same is true of human hair.
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!
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 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 on Mohs hardness scale can be scratched by your finger?
Talc (1 on the Mohs Hardness Scale) can be scratched by a fingernail.
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.
What is corian hardness on Mohs scale?
The hardness of corundum on mohs scale is nine(9)
