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That depends what you scratch it with, what material the rock is made from, and how much force you apply when scratching.
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∙ 6y ago
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How does rock make rock dust?
you can crush it good or you can scratch it on something hard
What property are geologists focusing on when they do scratch tests?
To see if a rock is hard are soft.
How do you know if a rock you found is emerald?
scratch the rock on a piece of paper or something white..... that's HARD. if the color is BROWN then itsEMERALD.
Is magnetite a hard or soft rock?
Magnetite is considered to be a hard mineral, not a rock, because it has the ability to scratch glass and its hardness number is greater than 5.5 according to the Mohs scale.
What happens if you leave clay in the freezer?
it gets hard as a rock
What effect does weathering and erosion have on the rock cycle?
Weather and erosion only mark a rock. They leave lines /patterns and eventualy work into it.
Can you scratch a metamorphic rock?
no
What can scratch a rock?
TourmalineCorundumDiamond
When the hard parts of an organism decay and leave a cavity in the rock what forms?
A cast is formed
What can scratch a quartz rock?
TourmalineCorundumDiamond
What does it mean when two rocks cannot scratch each other?
If two rocks cannot scratch each other, then they would have to be of equal hardness. A harder rock can always scratch a softer rock.
What rock can scratch window glass?
diamond
