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Minerals

Prentice Hall Earth Science - 2.1

TermDefinition
mineral naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition.
inorganic materials that were once part of living things
crystal the repeating pattern of particles that form a solid
streak the color of a mineral's powder
luster how light is reflected off a surface
Moh's hardness scale a test to describe a mineral by comparing it to 10 minerals from softest to hardest
cleavage how a mineral splits easily along a flat surface
fracture how a mineral looks when it breaks in an unusual way
Created by: pkolarich
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