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Cooper ~ Minerals
Stack #124669
Question | Answer |
---|---|
Mineral | A naturally occuring, onorganic solid with a definite chemical compostionm and an orderly arrangement of atoms |
Crystal | A solid in which the atoms are arranged in an orderly, repeating pattern |
Magma | Hot, melted rock |
Silicate | Minerals that comtain silicon and ocygen and usually one or more other elements |
Luster | The way a mineral reflects light |
Hardness | A measure of how easily a mineral can be scrathed |
Specific Gravity | The ratio of a minerals weight compared to the wieght of an equeal amound of water |
Fracture | Minerals that break with uneven, rough, or jagged surfaces |
Cleavage | Minerals that break along smooth hard surfaces |
Streak | The color of a mineral when it is in powdered form |
Ore | A mineral or rock that contains a useful sobstance |
Gem | Highly prized minerals |