Rock tests Flashcards

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1
Q

What does lustre test?

A

The reflective properties of a rock

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2
Q

What does cleavage test?

A

How the rock breaks

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3
Q

What does streak test?

A

The colours of the mark left by the rock

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4
Q

What does hardness test and how is it tested?

A

How hard the rock is and it is tested using Moh’s scale of hardness

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5
Q

Why is colour an unreliable test for rock type?

A

Because some rocks that are exactly the same rock are different colours and others are multicoloured

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