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9 Cards in this Set
- Front
- Back
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cleavage |
The property of some minerals in which the minerals split along a flat surface |
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hardness |
The measure of how easily a mineral can be scratched |
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luster |
The way the surface of a mineral reflects light |
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mineral |
A solid compound that occurs naturally in Earth’s crust and has a definite chemical composition and structure |
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streak |
Colored mark that some minerals leave behind on a rough surface |
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igneous rock |
A type of rock that is formed when molten rock within Earth cool and hardens. |
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metamorphic rock |
A type of rock formed when heat and pressure alter existing rock. |
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rock cycle |
The process in which one type of rock is changed to a new type of rock. |
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sedimentary rock |
A type of rock formed when fragments of worn-away rocks or seashells are deposited. |
