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chapter3

earth science

TermDefinition
mineral naturally occurring inorganic solid that has a definite chemical composition and an orderly chemical position.
crystal solid in which the atoms are arranged in an orderly, repeating pattern.
magma hot melted rock material beneath earths surface.
silicate mineral that contains silicon and oxygen and usually one or more other elements.
hardness measures how easily a mineral can be scratched; is determined by the arrangement or the mineral atoms.
luster describes the way a mineral reflects light from its surface; can be either metallic or nonmetallic.
specific ratio of a mineral's weight compared with the weight of an equal volume of water.
streak color of a mineral when it is in dowered form.
cleavage physical properties of some materials that causes them to break along smooth, flat surfaces
fracture physical property of some minerals that causes them to break with uneven rough jagged surfaces.
gem beautiful, rare, prized, mineral, highly prized gems.
Created by: cappie/kade
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