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Earth Science

Minerals and rocks

TermDefinition
naturally occurring made by process that occurs in the natural world not by people
definite chemical composition always made of same elements in the same portions
crystal structure particles line up in a ever repeating pattern
solid definite size, shape, and volume
inorganic cannot come from materials that were once living
Luster the way light interacts with the surface
Streak The color of the powder of a rock or mineral
Chemical Rock Sedimentary rock formed by evaporation of a liquid
Clastic rock Sedimentary rock formed by the pressing of sediment over time through compaction and cementation
Foliated Rock Metamorphic rock that have grains arranged by parallel bands
Deposition Sediment settles out of wind or water that carried it
Compaction sediment is pressed together growing thicker layers over time
Cementation Process that dissolves minerals crystallize and glue sediment together
Sediment Material that is transported and deposited by wind, water, and ice, precipitated from a liquid, or deposits of organic origin
Rock cycle A model that describes the formation, breakdown, and reformation of a rock in Earth's crust
Created by: AustinSell
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