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rocks
science
| Term | Definition |
|---|---|
| mineral | naturally occurring solid inorganic |
| crystal structure | crystals in a mineral |
| mohs hardness scale | a scale ranking ten minerals |
| luster | shininess |
| hardness | streangth |
| cleavage | rock breaks on a flat surface |
| fracture | way a crystal breaks |
| streak | color of dust on a mineral |
| crystalazation | the proces where crystalls are formed |
| solution | a mix of sedement that makes minerals |
| geode | a circle like mineral with a hole in the middle |
| element | a substance theat cannot be brocken down |
| compound | a mix of two or more elements |
| texture | the look of a rock |
| fine grained | a very fine texture |
| coarse grained | rocky big texture |
| porphy rock | a type of rock formed in a vent |
| intrusive rock | rock from magma |
| extrusive rock | rock from lava |