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Ch.3 Minerals Vocab

TermDefinition
Minerals A mineral is a naturally formed, inorganic solid that has a definite crystalline structure.
Elements Elements are pure substances that can't be broken down into simpler substances by ordinary chemicals means.
Compound A compound is a substance made of two or more elements that have been chemically joined, or bonded.
Crystals A solid whose atoms, ions, or molecules are arranged in a definite pattern.
Silicate minerals A mineral that contains a combination of silicon, oxygen, and one or more metals.
Non-silicate mineral A mineral that does not contain compounds of silicon and oxygen.
Luster The way in which a mineral reflects light.
Streak The color of the powder of a mineral.
Cleavage The spitting of a mineral along smooth, flat surfaces.
Fracture The manner in which a mineral breaks along either curved of irregular surfaces.
Hardness A measure o the ability of a mineral to resist scratching.
Density The ratio of the mass of a substance to the volume of the substance.
Pegmatites Teardrop- shaped bodies formed from magma as it moves upward.
Plutons Magma as it moves upward through the crust and stops before it reaches the top and cools.
Ore A natural material whose concentration of economically valuable minerals is high enough for the material to be mined profitably.
Reclamation The process of returning land to its original condition after mining is completed.
Created by: maddieb317
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