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Rocks and Minerals

TermDefinition
cleavage natural splitting of rocks
crystal highly transparent glass
Fracture cracking or breaking of an object
Gem a precious or semiprecious stone
Hardness condition of being hard
Luster gentle sheen or soft glow
Magma hot fluid or in earth's crust or from igneous rock
mineral a solid substance of natural occurrence
ore natural solid material which can profitably extracted
silicate any of the materials consisting
specific gravity ratio of gravity to to density of a standard
streak a long thin long of color from a rock
basaltic dark,fine grained,igneous rock
cementation the binding together of particals
extrusive denoting a rock that has been extruded from earth's surface
foliated layering of metamorphic rocks
granitic rock containing quartz
compaction process when a rock looses its porosity
Igneous rock formed from the cooling or magma and lave
Intusive causing distruption
Lava hot rock from a volcano
Metamorphic rock rock that has undergone transformation by natural occurences
Non-foliated are formed around igneous occurrences with high temperatures and low pressure
Rock a solid from formation in the earth
Rock sycle processes undergone by earth's crust
sediment rock matter that settles to the bottom of a liquid
Sedimentary rock rock that has formed through solidification of sediment ent
Created by: 3050698
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