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Definition
| Color of the line that is left after a mineral is rubbed on an unglazed tile. |
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Definition
| How a mineral breaks along a flat surface |
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Definition
| How a mineral breaks along curved or uneven surfaces |
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Term
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Definition
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Definition
| How heavy a mineral is compared to how much space it takes up |
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Term
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Definition
| Wat a mineral reflects light |
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Definition
| rock that forms when lava cools and hardens |
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Term
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Definition
| rock that forms from sediments or piece of older rock |
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Term
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Definition
| rock that forms under pressure and heat within the earth |
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