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Definition
| a naturally occurring, inorganic, crystalline solid that has a definite chemical composition and an orderly arrangement of atoms |
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| a solid in which the atoms are arranged in repeating patterns |
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Definition
| a hot melted rock material that forms large crystals when it cools slowly and small crystals when it cools rapidly |
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| a mineral that contains silicon and oxygen and usually one or more other element |
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Definition
| the measure of how easily a mineral can be scratched |
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| describes how light reflects from a mineral's surface |
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| the color of a mineral when it is powdered |
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| the property of a mineral that allows it to break along smooth, flat planes |
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| the property of a mineral that causes it to break with rough or jagged edges |
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Definition
| a highly prized, valuable mineral that is bright and colorful and often is cut and polished and used for jewelry |
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