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Rocks and Minerals
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An object made in solid material such as stone or metal
Statue
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A gray-colored rock used in building
Limestone
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A large rounded rock made by weathering
Boulder
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A useful subtance that is naturally formed in the ground
Mineral
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A hard rock that is shiny when cut and polished.
Marble
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A sorf, black material used in pencils
Graphite
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A hard material that is white and colorless
Quartz
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A hard building material made using limestone
Concrete
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To make something by cutting into stone or wood
Carve
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