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| A natural, inorganic solid that has a crystal structure and a definite chemical composition. |
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| The mineral can't arise from materials that were once part of something that is living. |
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| A solid in which the atoms are arranged in a pattern that repeats over and over. |
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| A Measure of how easily a mineral is scratched. |
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| The color of a mineral’s powder. |
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| The way a mineral reflects light from its surface. |
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| The way a mineral looks when it breaks in an irregular way. |
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| Density is a physical characteristic, and is a measure of mass per unit of volume of a material. |
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| A hard, colorful mineral that has a brilliant or shiny luster. |
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Definition
| Magma that reaches the surface; also the rock formed when liquid lava hardens. |
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