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Chapter 4 section 1
Term | Definition |
---|---|
Mineral | Naturally occurring, inorganic solid, with specific chemical composition and definite crystalline structure. |
Crystal | Is a solid in which the atoms are arranged in repeating patterns. |
Luster | They way that mineral reflects light from its surface. |
Hardness | Is a measure of how easily a mineral can be scratched. |
Cleavage | A mineral that splits relatively easily and evenly along one or more flat planes. |
Fracture | Minerals that break with rough or jagged edges. |
Streak | Is the color of a mineral when it is broken up and powdered. |
Specific gravity | The ratio of the mass of a substance to the mass of an equal volume. |