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Mineral Quest
vocabulary
Question | Answer |
---|---|
naturally occuring, inorgtanic solid with a definite chemical composition and an orderly arrangement of atoms | mineral |
solid in which the atoms are arranged in orderly, repeating patters | crystal |
hot melted rock material | magma |
minerals that contain silicon and oxygen and usually one or more other elements | silicate |
measure of how easily a mineral can be scratched | hardness |
way a mineral reflects light | luster |
color of a mineral whin it is in a powdered form | streak |
minerals that break along smooth, flat surfaces | cleavage |
minerals that break with uneven, rough, or jagged surfaces | fracture |
highly prized minerals because they are rare and beautiful | gem |
mineral that contains a useful substance that can be mined at a profit | ore |