click below
click below
Normal Size Small Size show me how
Minerals Quest
Mineral Vocab
| Question | Answer |
|---|---|
| mineral | a naturally occuring,inorganic,crystalline solid, with a definate chemical composition,and an orderly arrangment of atoms |
| crystal | a solid in which the atoms are arranged in orderly, repeating patterns |
| magma | hot melted rock material that cools when it reaches the Earth's surface |
| silicate | minerals that contain silicon and oxygen and usually one or more other elements |
| hardness | how easily the mineral can be scratched |
| luster | the way the mineral reflects light |
| streak | the color the mineral is when it is in powdered form |
| cleavage | minerals that break along smooth,flat surfaces |
| fracture | minerals that break with uneven,rough,or jagged surfaces |
| gem | highly priced minerals because they are rare and beautiful |
| ore | a mineral or rock that contains a useful substance that can be mined for a profit |