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vocab Chapter 4

TermDefinition
Mineral Natrually occurring, inorganic solid, with a specific chemical composition and a definite crystalline structure
Crystal a soild in which the atoms are arranged in repeating patterns
Luster the way a mineral reflects light (there are two types of luster, metallic and nonmetallic)
Hardeness measure of how easily a mineral can be scratched
Cleavage describes how a mineral breaks (smoothly)
Fracture describes how a mineral breaks (rough)
Streak the color of a mineral when it is broken up into a powder
Specific Gravity the ratio of the mass of a substance to the mass of an equal volume of water at 4C.
Created by: spjaco
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