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Prop. of Minerals

Inside Earth: Chapter Four, Section One

TermDefinition
mineral a naturally-occurring, inorganic solid that has a crystal structure and a definite chemical composition.
inorganic not formed from living things or the remains of living things.
crystal a solid in which the atoms are arranged in a pattern that repeats again and again.
element a substance composed of a single kind of atom.
compound a substance in which two or more elements are chemically joined.
Mohs scale a scale ranking ten minerals from softest to hardest; used in testing the hardness of minerals.
streak the color of a mineral's powder.
luster the way a mineral reflects light from its surface.
cleavage a mineral's ability to split easily along flat surfaces.
fracture the way a mineral looks when it breaks apart in an irregular way.
fluorescence the property of a mineral in which the mineral glows under ultraviolet light.
Created by: wtr6thscience
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