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Mineral vocab

QuestionAnswer
Mineral Naturally occurring, inorganic solid with a definite chemical composition and an orderly arrangement of atoms.
Crystal A solid in which the atoms are arranged in orderly, repeating patterns.
Magma Hot melted rock
Silicate Minerals that contain silicon (Si) and Oxygen (O) and usually one or more other elements
Hardness How easily a mineral can be scratched
Luster The way a mineral reflects light
Streak The color of a mineral in powdered form
Cleavage Minerals that break with smooth, flat surfaces
Fracture Minerals that break with uneven, rough, or jagged surfaces
Gem Highly priced rare and beautiful minerals. Gemstones
Ore Mineral or rock that contains a useful substance that can be mined at a profit.
Created by: ecstiglich
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