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Definition
| A substance found in nature that is not an anima or a plant. |
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| How many elements occur naturally in the Earth's crust? |
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Definition
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| what is the most common mineral? |
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Definition
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| What elements does the most common mineral cotain? |
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| The hardness of a mineral is its ability to risist scraching. |
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| What is the scale of hardness? |
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Definition
| Moh's scale and it measures from 1 to 10. |
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| what is the softest mineral? |
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Definition
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| What is the hardest mineral? |
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Definition
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| The streak of a mineral is the color of the powder left on a streak plate when the minerl is scraped across it. |
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Definition
| Minerals are color because certain wave leanghts of light are absorbed, and the color results froma combination of these wave leaght that reachthe eye. |
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Definition
| Cleavage is the ability of a mineral to break along preferred plans. |
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Definition
| Luster reters to how light is reflicted from the surface of a mineral. Two main types of luster are matallic and notmatallic. |
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| What is specific gravity? |
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Definition
| Specific gravity is the "heaviness" of a mineral. |
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Term
| What is miscellaneous properties? |
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Definition
| If the mineral is magnetic or notmagnetic. |
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Term
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Definition
| It has to be beatiful and rare. |
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| Smelting is to melt ore so that the metal can be removed. |
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Term
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Definition
| A rock that contains metal, as in iron ore. |
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