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9 Cards in this Set
- Front
- Back
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cleavage |
The property of some minerals in which the mineral splits along a flat surface. |
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hardness |
The measure of how easy 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 and has a definite chemical makeup. |
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streak |
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 cools and hardens. |
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metamorphic rock |
A type of rock that is formed when heat and pressure alter existing rock. |
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rock cycle |
The proses in wich one type of rockis changed to a new type of rock. |
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sedimentary rock |
A type of rock that is formed when fragments of worn away rock and buried. |
