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chapter two

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 the pattern that repeats again and again.
streak The color of a mineral's powder.
luster The way a mineral reflects light from it's surface.
Mohs hardness scale A scale ranking ten minerals from softest to hardest.
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.
geode A hollow rock inside which mineral crystals have grown.
crystallization The process by which atoms are arranged to form a material with a crystle structure.
solution A mixture containing a solvent and at least one solute that has the same properties throughout.
vein A narrow deposited of a mineral that is sharply different from the surrounding rock.
rock forming mineral Any of the common minerals that make up most of the rock on Earth's crust.
granite A usually light colored igneous rock that is found in continental crust.
basalt A dark dense igneous rock with with a fine texture found in oceanic crust.
grain The particle of minerals or other rocks that give a rock it's texture.
texture The look and feel of a rock's surface determined by size.
igneous rock A type of rock that forms from the cooling of molten medal rock at or below the surface.
sedimentary rock A type of rock that forms when particles from other rocks or the remains of plants and animals.
metamorphic rock A type of rock that changed from heat preasure or chemi
extrusive rock
intrusive rock
Created by: user-1975243
 

 



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