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Rocks and Minerals

TermDefinition
ion atom/molecule where electrons don't equal protons; negative charged
crystal transparent mineral or glass
inorganic not having the structure/organization characteristics of living bodies
mineral any class of substance occuring in nature
silicates any of the largest groups of mineral compounds
cleavage tendency of crystals/minerals to break in preffered directions
crystallization to give definite or concrete form
igneous rock rocks formed by cooling and solidifying of molten materials
metamorphic rock rock that was one formed then change to another under the influence of heat/pressure
metamorphism change in the stucture/constitution of a rock due to natural causes
precipitate to fall to the earth's surface as a condenced form of water
rock cycle continous process in which rocks are created, change form, destroyed, then form again
density compactness/closely set or crowded
fracture to break or crack
hardness refuse or coarser parts
luster state/quality of shining by reflecting light
streak long/narrow mark/streak of color
lava molten, fluid rock that comes from a volcanoe
sediment mineral/organic matter deposited by water
sedimentary rock rock that is formed through deposition and solidification of sediment
sedimentation the depostion/accumulation of sediment
extrusive noting to a class of igneous rocks that have been forced out in a molten/plastic condition
intrusive having been forced between preexisting rocks or rock layers
volcanic rock rock formed from magma erupted from a volcano
magma molten material beneath or within the earth's crust from which igneous rock was formed
rock mineral matter of variable composition
vein a streak or marking of a different color
gemstone precious/semiprecious stone that can be cut and polished
ore metal-bearing mineral or rock
ore deposit mineral deposit that is sufficiently rich to be worked at a profit
cementation heating of two substances in contact in order to effect some change in one of them
lithification process by which unconsolidated materials are converted into coherent solid rock
organic relating to the basic constitution or structure of a thing
foliation act of putting forth leaves
Created by: 3083291
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