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Minerals

Minerals and Rockas Part 1

TermDefinition
Rock s any naturally formed solid that is part of Earth or any other celestial object
Mineral Naturally occurring inorganic solid with a definite structure and composition where atoms are arranged in a repeating pattern
Inorganic Nat made by or composed of living things
Crystalline A solid in which the atoms are arranged in a repeating pattern
Crystallization A process of organizing atoms to form crystalline solids
Recrystallization The cooling and hardening of lava or magma into minerals
Rearrangement The realignment of atoms in minerals under high temperature and pressure
Color A visual attribute of an object based on perception (one of the most obvious, but not the most reliable, Many of the 4000 known minerals share similar colors)
Streak The color of finely crushed power when a mineral is dragged a crossed a streak plate (weathering changes the outside color, but streak gives the true color)
Luster The shine of an unweathered mineral or the way it looks in reflected light
Density The ratio of mass and volume of an object
Hardness Resistence of a mineral to be scratched
Cleavage The tendency of a mineral to break a long zones of weakness and form semi-smooth or parallel surfaces
Fracture An irregular or uneven break
Acid Test When dilute acid (HCI) is placed on a mineral it can bubble (Calcite and Dolomite both react with acid)
Created by: cmbinder197