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Earth Science Gr7

Chapter 3

TermDefinition
mineral solid that is naturally occurring, inorganic, and has a crystal structure and definite composition
silicate member of the mineral group that has silicon and oxygen in its crystal structure
crystallization process by which atoms form a solid with an orderly repeated pattern
magma molten rock stored beneath Earth's surface
lava magma that erupts onto Earth's surface
mineralogist scientist who studies the distribution of minerals, mineral properties, and their uses
luster way a mineral reflects or absorbs light at its surface
streak color of a mineral's powder
hardness resistance of a mineral to being scratched
cleavage breaking of a mineral along a smooth, flat surface
fracture breaking of a mineral long a rough or irregular surface
density mass per unit volume of a substance
ore deposit of minerals that is large enough to be mined for profit
gemstone rare and attractive mineral that can be worn as jewelry
Created by: carriel
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