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Rocks and Minerals

TermDefinition
ion an electrically charged particle
crystal a solid with its atoms arranged in a geometrical shape
inorganic a substance that doesn't come from living things i.e. metals
mineral an element or compound found in the ground that doesn't come from living things. It has a definite chemical composition and regular crystal form
silicates a salt in which the anion contains both silicon and oxygen
cleavage the natural splitting of rocks
density the mass of a substance compared to its volume
fracture a crack or break
hardness the degree to which a material resist being scratched
luster the reflection of light from the surface of a mineral
streak a long, thin line or mark of color
lava molten rock flowing out of volcanoes
magma molten rock beneath earth's crust
rock a mixture of minerals
vein a fracture in rocks containing a deposit of minerals
gemstone precious or semiprecious stone
ore rocks or minerals that are mined
ore deposit an accumulation of ore
crystallization a solid-liquid separation technique
igneous rock formed from cooling and solidifying of magma
metamorphic rock a rock changed in structure by heat and pressure
metamorphism alteration of the composition or structure of rock
precipitate causing a substance to be deposited in solid form from a state or condition
rock cycle a cycle of processes to change rocks from one form to another
sediment earth, silt, rock and other natural materials
sedimentary rock a kind of rock formed by mineral particles with compression
sedimentation the process of depositing minerals and other natural materials
extrusive the formation of igneous rock under earth's crust
intrusive the formation of igneous rock on earth's surface
volcanic rock a rock formed from magma
cementation the harding and welding of clastic
lithification when sediments compact together under pressure
organic derived from living matter
foliation the process of being split into thin sheets or laminae
Created by: 3082697
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