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Minerals

TermDefinition
Streak the color of a mineral in powdered form
Luster the appearance or quality of light reflected from the surface of a mineral
Crystal Form a set of crystal faces defined according to their relationship to the crystal axes
Hardness Measure of resistance of a mineral to being scratched.
Mohs scale a scale of hardness used in classifying minerals.
Cleavage The tendency of a mineral break along flat, even surfaces
Fracture Separation of an object or material into two or more pieces under the action of stress
Density mass per unit volume
Created by: Mrs.Stichter
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