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12 Cards in this Set

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-naturally occuring
-inorganic
-solid
-defined chemical composition
-ordered arrangement of atoms
Mineral
solid in which the atoms are arranged in an orderly, repeating pattern
crystal
hot melted rock material beneath the earth's surface
magma
mineral that contains silicon, oxygen and usually one or more other elements
silcates
measure of how easily a mineral can be scratched
(hardest-diamond, softest-talc)
hardness
describes the way a mineral refects light (metallic or nonmetallic)
luster
ratio of a mineral's weight compared with the weight of an equal volume of water
specific gravity
color of a mineral when it is in powder form
streak
mineral breaks along a flat surface
cleavage
mineral breaks along a jagged or rough surface
fracture
beautiful, rare, highly prized mineral that can be worn in jewelry
gem
mineral deposit that can be mined at a profit(earnings higher than cost to mine, purify and convert to product)
ore