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ch.4 vocab

TermDefinition
Mineral A naturally occurring, inorganic solid.
Crystal A solid in which the atoms are arranged in repeating patterns.
Luster A gentle sheen or soft glow, especially that of a partly reflective surface.
Hardness A measure of how easily a mineral can be scratched.
Cleavage A mineral that splits relatively easily and evenly along one or more flat planes.
Fracture The cracking or breaking of a hard object or material.
Streak a long, thin line or mark of a different substance or color from its surroundings
Specific Gravity the ratio of the density of a substance to the density of a standard, usually water for a liquid or solid, and air for a gas.
Created by: moreno35
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