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If a minerals breaks into cubes when struck with a rock hammer, which property of mineral is being measured

a.) streak
b.) cleavage
c.) hardness
d.) color

User Raz Mahato
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1 Answer

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b.) cleavage because if it could be broken by a hammer, then it means that it it tends to break along smooth surfaces, which is caused by a weak bonds between the atoms in the mineral.
User Zitix
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