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Chapter 2

Minerals

QuestionAnswer
Cleavage the property of a mineral that describes its tendency to break along flat surfaces
Crystal a solid substance in which the atoms are arranged in an orderly, repeating, three-dimensional pattern
Density a property of matter representing the mass per unit volume
Element a substance that cannot by broken down into a simpler substance by ordinary chemical changes, consists of atoms of only one type
Hardness the resistance of a mineral or other material to being scratched
Lava molten rock that reaches a planet's surface through a volcano
Luster the property of a mineral that describes the way in which light reflects from its surface
Magma molten rock beneath Earth's surface
Mineral a substance that forms in nature, is a solid, has a definite chemical makeup, and has a crystal structure
Ore a rock that contains enough of a valuable mineral to be mined for a profit
Streak the color of a mineral powder left behind when a mineral is scraped across a surface
Fracture the tendency of a mineral to break into irregular pieces
Created by: avaught
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