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A solid mineral material that forms part of earth |
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Having to do with living matter or coming from living matter |
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The feel or appearance of a material. |
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The formation or construction of an an object or the act of putting rock together. |
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Magma forced into other rocks and crystalizing. |
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denoting rock that has been extruded at the earth's surface as lava or other volcanic deposits. |
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A material created by a large range of polymers. |
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The altering of metal by eating it with other solid powders. |
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A rock formed by many sediments. |
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