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Rocks and Minerals

QuestionAnswer
Mineralogy the study of crystal structure, chemistry, and properties of minerals
minerals natural, inorganic substances with a chemical make-up that are formed by a geological process
cleavage a sharp division or split found in minerals
density how compact a substance is calculated by dividing the mass by the volume
Mohs scale a scale used to measure the hardness of minerals
luster the way light interacts with the surface of a mineral, crystal, or rock
streak the color of a mineral's powder
sediments matter deposited as a layer on the bottom of a body of water
sedimentary rocks made from random materials in layers that turn into rock over time
metamorphic rocks made by heat or pressure over time and used to be sedimentary or igneous rocks
igneous rocks made from molten lava or magma that cools quickly and can be either extrusive or intrusive
Created by: lowers
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