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11 Cards in this Set

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The color powder made by rubbing a mineral against a ceramic surface.
Streak
Forms long, tube-shaped rock bodies called pipes.
Kimberlite
The way that the surface of a mineral looks when it reflects light.
Luster
A measure of how easily a mineral can be scratched.
Hardness
A solid element of compound found in nature having a definite chemical composite and crystal stutter.
Mineral
The tendency of some minerals to split along a flat surface.
Cleavage
A mineral that contains enough of metal to make to metal profitable,
Ore
A rock material made of sand and gravel and a binder.
Concrete
A deposit of sediments that contains important mineral fragments.
Placers
Sometimes reaches the earth's surface.
Pipes
The process of melting ore to remove the metal from it.
Smelting