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16 Terms
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cleavage
the tendency of a mineral to break along straight lines
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fracture
a break in a mineral that is not in a regular way
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luster
the way a mineral reflects light
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density
a measure of how much mass in an amount of space
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color
most obvious property of a mineral but not always accurate
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streak
the color a mineral leaves in powder form
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hardness
how easily a rock can be scratched
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igneous rock
rock formed when melted rock cools an hardens
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sedimentary rock
rock formed when sedements are concreated togrther
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metamorphic rock
rock formed by heat and peassure
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magma
melted rock inside the earth
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lava
melted rock outside the earth
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fossils
reamains of plants an animals
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sediments
bits of broken rock
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rock
a nonlivig solid made up of more than one mineral
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miniral
a nonlivig solid that occures in crystalline form
Note 
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