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earth materials ch.1

earth materials- runyon

mineral naturally occuring inorganic solid that has a definite chemical composition and an orderly internal atomic structure
magma hot, melted rock material beneath Earth's surface
crystal solid in wich the atoms are arranged in an orderly, repeating pattern
streak color of a mineral when it is in powdered form
cleavage phisical property of some minerals that cause them to break along smooth, flat surfaces
specific gravity ratio of a mineral's weight compared with the weight of an volume of water
fracture physical property of some minerals that cause them to break with uneaven, rough, or jagged surface
hardness measure of how easily a mineral can be scratched
gems beautiful, rare, highly prized minerals that can be worn in jewerly
ore deposit in which a mineral exits in large enough amounts to be mined at a profit
silicate mineral that contains silicon and oxygen and usualy one or more other elements
luster describes the way a mineral reflects light from its surface: can be metallic or nonmetallic.
Created by: Bananaboo