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minerals study guide
10 words of minerals
| Question | Answer |
|---|---|
| mineral | a naturally occurring inorganic |
| crystal | solid in which the atoms are arranged in an orderly, repetitive patter |
| magma | hot, melted rock material beneath Earth's surface |
| silicate | mineral that contains silicon and oxygen |
| hardness | measure of how easily a mineral can be scratched |
| luster | describes the way a mineral reflects light from it's surface |
| streak | color of a mineral when it is in powdered form |
| cleavage | physical property of some minerals that cause them to break along smooth flat surfaces |
| fracture | minerals that break with uneven, rough, or jagged surfaces |
| gem | beautiful, rare, highly priced mineral |
| ore | deposit in which a mineral exists |
| omit specific gravity | ratio of mineral's weight compared with weight with an equal volume of water |