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ch7 Rocks & Minerals

Rocks and Minerals Vocabulary

TermDefinition
Diagram that shows the slow, continuous process of rocks changing from one type to another. rock cycle
Solid material with a repeating pattern of atoms. crystal
The color of a mineral in the powdered form. Found by using a ceramic plate. streak
Formed when molten rock hardens and cools either intrusively or extrusively. igneous rock
Igneous rock that forms with magma cools beneath earth's surface. intrusive
Igneous rock that has cooled outside the earth. extrusive
Physical property that describes how light reflects off of a minerals surface. luster
Metamorphic rocks with visible bands or layers. foliated
New rocks that change form when they are heated and squeezed by tremendous pressure. Metamorphic rock
Made up of two or more minerals. rocks
Not formed by plants or animals; not living and never was. inorganic
Rare and valuable mineral that can be cut and polished. gem
Rock made from pieces of other rocks, dissolved minerals or organic matter that collects in layers and is compacted together. sedimentary rock
Process to extract a mineral or element from an ore. Separates and removes the unwanted material. smelting
Minerals that split into smooth, flat planes that reflect light have _____. cleavage
An inorganic, solid, naturally occurring substance that has a crystal structure and a definite chemical composition. mineral
Minerals that break with jagged or rough edges have ____. fracture
Anything that is living or once was living. organic
Metamorphic rock without visible bands or layers. nonfoliated
Contains useful metals that can be mined and sold for profit. ore
Created by: brechbillc
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