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Definition
| It is an inorganic solid which makes up rocks. |
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Term
| How many elements occur naturally in the earths 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 silicate contain? |
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Definition
| hardness scale for mineral |
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Definition
| mineral breaks irregularly |
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Definition
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Definition
| comparing weights of equal sized samples |
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Definition
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Definition
| how a mineral breaks along a plane |
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Term
| what two characteristics make a mineral a gem? |
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Definition
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Definition
| if it contains a useful substance that can be mined at a profit. |
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Term
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Definition
bauxite-aluminum
hematite-iron
magnetite-iron |
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Term
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Definition
| a substance is melted to separate it from unwanted materials |
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Term
| How many elements occur naturally in the earths crust? |
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Definition
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Definition
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| in what form are these diamonds sold or traded? |
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Definition
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Term
| at one time what percent of the worlds diamonds production was represented by blood or conflict diamonds |
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Definition
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Term
| why are these conflict diamonds bad |
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Definition
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Term
| What was the purpose of the Kimberly process? |
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Definition
| wanted diamond mining legit |
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Term
| what is the requirement of the Kimberly process certification scheme? |
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Definition
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Term
| why has the scheme not worked as well as they hoped? |
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Definition
| not all countries were certified |
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Term
| what is the problem in Zimbabwe? |
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Definition
| people ceased the mines and killed people. |
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Definition
| sediment compacted, cemented together |
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| made up of dissolved solids |
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Definition
| calcium carbonate (seashells) |
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