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Igorganic, solid material found in nature that always has the same chemical makeup, atoms arranged in an orderly, pattern, streak, and luster
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Mineral
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Solid inorganic material that is usaully made of two or more minerals and can be metamorphic, sedimentary, or igneous
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Rock
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Solid material with atoms arranged in a repeating pattern
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Crystal
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Rare, valuable mineral that can be cut and polished
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Gem
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Material that comtains enough of a useful metal that it can be mined and sold at profit
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Ore
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Instructive or extructive rock that is produced when melted rock from inside Earth cools and hardens
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Igneous rock
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Describes igneous rocks that have smaller or no crystals and form when melted rock cools quickly on Earth's surface
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Extrusive
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Describes a type of igneous rock that generally contains larhe crysttals and forms when magma cools slowly beneath Earth's surface
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Intrusive
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A type of rock made from pieces of other rocks, dissolved minerals or plant and animal matter that collect to form rock layers
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Sedimintary rock
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New rock that forms when existimg rock is heated or squeezed
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Metamorphic rock
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Describes metamorphic rocks with visible layers of minerals
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Foliated
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Describes metamorphic rocks that lack distinct layers or bands
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Nonfoliated
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Diagram that shows the slow, continuous procces of rocks changing from on night to another
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Rock cycle
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Minerals form from or lava or through evaporation or precipitation
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Magma
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Mineral formation clues include and how mineral crystals fit together
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Size
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