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mineral vocab-Jess
| Question | Answer |
|---|---|
| mineral | inorganic, not man made, crystalline solid, and chemical compound |
| crystal | a solid in which the atoms repeat in orderly patterns |
| magma | hot melted rock material |
| silicate | minerals that contain silicon and oxygen and usually one or more other elements |
| hardness | how easilly a mineral can be scratched |
| luster | the way a mineral reflects light; metallic or nonmetallic |
| streak | the color of a mineral when it is in a powdered form |
| cleavage | when a mineral breaks along smooth, flat surfaces |
| fracture | when a mineral breaks along rough, jagged edges |
| gem | highly prized minerals because they are more rare and beautiful that regular minerals |
| ore | when a mineral exists in large enough amounts it can be mined at a profit |