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Rocks and minerals

Acid rain Precipitation of relativley high acidity that is formed when airborne oxides of sulfer and nitregon combine with moisture in the atmosefear.
Conglomerate A rock made of mineral and rock fragments.
Crystal A solid substance in wich the particles are aranged in an orderly, repetable pattern.
Crystalization The process in wich crystal are formed.
Cubic A crystal form charecterized by three equal axes at right angles at each other.
Evaporation The conservation of a substance from a liquid to a gases state.
Fossil The remains, impresions, or other things preserved in rocks.
Hardness The resistance of the surface of a surface by being scratched by another substance.
Hexagonal A crystal form carecterized by three equal lateral axes insected at 60 degrees and a vertical axis of verible length of right angles.
Igneous A type of rock formed by the cooling and crystalization of molten materials.
Indigenous Occuring naturally in a paticular place or region
Laser Light Amplification by Stimulated Emission of Radiation.
Lava Molten rock that flows from volcanos or earth fissures
Luster The way a mineral reflects light.
Magma The hot, liquid rock within the Earth's crust.
Metalic luster Describes a mineral that is usally dark in color, is always opaque, and shines like polised metal.
Metamorphic A type of rock formed when igneus, sedimentary, or even other metamorphic rocks are subjected to extreme heat and/or pressure deep below the earth's surface.
Mineral A naturally occuring, solid, inorganic substance with a definite chemical composition and usually crystalline in form.
Mohs Scale of Hardness A scale that ranks the hardness of minerals relative to the hardness of other materials.
Monoclinic A crystal form carecterizide by three unequal axes with one oblque intersection.
Nonmetalic luster Describes a minerial that is usally white colored and whoose surface apeares glassy, perely, brilliant, silky, or dull.
Orthombic A crystal form carecterizied by three unequal axes at right angles at each other.
Petrification The process of being petrifide, or becoming a fossil (also known as petrification).
Pieoelectric A type of electricity generated by aplying presure to crystaline substance such as quartz.
Property Any quality the preserves to discribe or define an object, material, or relationship.
Rock A naturally acring inorganic solid usally compresed of a mixture of diffrent matierials and other matierials.
Sedimentary A type of rock formed by the solidfacation of layers of sediments.
Silicon One of the most abundant elements on earth; its electrical properties enable it to be used in electronic devices.
Streak The color of a fine powder of a mineral obtained by scratcilng or rubbing the mineral aganst a piece of unglazed ceramic tile.
Tetragonal A crystal form carecterized by three axes at right angles, of which only the two lateral angles are equal.
Triclinic A crystal form carecterized by three unequal axes intersecting at oblique angles.
Wethering The discoloration or breackdown of rocks and minerals due to the action of water, the atmosphere, and organisums.
Created by: bwarren18