Mineral And Rock Vocabulary
Terms in this set (25)
naturally occurring, inorganic solid having a definite crystalline structure and unique chemical composition
repeating pattern of a mineral having flat sides that meet in sharp edges and corners
the way a mineral reflects light from its surface
the ability of a mineral to resist being scratched
the color of the powder scraped off of a mineral when rubbed against a rough, hard surface.
the amount of matter in a given volume
when a mineral splits into smooth, definite surfaces
when a mineral breaks along rough or jagged surfaces
minerals or combinations of minerals from which metals and nonmetals are extracted
elements that are shiny, conduct heat and electricity, can be stretched into wires and bent into different shapes
elements with dull surfaces, are poor conductors of heat and electricity, are not able to be stretched into wires or bent into different shapes
minerals that are rare, hard, beautiful and durable that are often cut for jewelry
hard substances composed of two or more minerals
rock formed from hot, fluid magma or lava, "born of fire"
rocks formed when particles of rocks (sediments) are carried and deposited by wind and water
small particles of rock
rocked formed when chemical changes, heat or pressure, change a rock, "changed rocks"
the continuous changing of rocks from one form to another over long periods of time
igneous rocks formed from lava on the outside of the Earth
igneous rocks formed from magma within the Earth
sedimentary rock formed from the fragments of preexisting rock
rock containing rounded pebbles that is held together by clay or mud
rock formed from once living organisms
Chemical sedimentary rock
rocks formed when seas or lakes dry up
the process of changing a rock into another as a result of heat, pressure or chemical reactions
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