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| What covers Earths land surface? |
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| What is below the plants and soil of Earths surface? |
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| Where can you see the rock below earths surface the most? |
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Definition
| A naturally occuring inorganic solid with a crystal structure and a characteristic chemical composition. |
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| Most minerals vary, but slightly. |
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| Is the chemical composition constant or inconstant? |
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| What are the building blocks of rocks? |
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| How many of the 4000 known minerals in the world are common? |
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| What are common minerals also known as? |
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| Name 5 mineral properties |
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Definition
| Color streak luster density hardness fracture cleavage |
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| How are mineral atoms arranged? |
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| Each mineral has the same crystal structure. T or F |
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| Minerals size vary. t or f? |
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| What are crystals shaped like? |
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Definition
| Cubes, Sheets, needles, and threads |
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| Can minerals be identified by color? |
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| What would be a reason that color was unable to identify a mineral? |
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Definition
| Light shining incorrectly |
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| How is a minerals streaj determined? |
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Definition
| By scraping it against a piece of porceillin. (or a streak plate) |
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| Is the color of the mineral always the same color as its streak? |
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| What is a minerals luster? |
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Definition
| The general appearance of a mineral, or how shiny it is. |
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| What does the density of a mineral depend on? |
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| Higher atomic number minerals tend to have what? |
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| What are mineral atoms held together by? |
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Definition
| Combinations of strengths and bonds |
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| As a result of mineral atoms having bonds to hold them together........ |
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Definition
| They are hard (or have hardness) |
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| A hard mineral can scratch a softer mineral but a the other way. T or F? |
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| What is the 1-10 scale for grading a minerals hardness called? |
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| How do geologists determine hardnesses of minerals? |
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| Some minerals break evenly, but none fall apart. T or F? |
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