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Minerals
Definition of minerals, examples, etc.
| Term | Definition |
|---|---|
| Mineral Requirement #1 | Must be solid. |
| Mineral Requirement #2 | Must be inorganic (naturally occurring). |
| Mineral Requirement #3 | Definite chemical composition. |
| Mineral Requirement #4 | Must have a natural pattern. |
| Mineral Examples - Non-Metallic #1 | Quartz, Feldspar, Ruby |
| Mineral Examples - Non Metallic #2 | Obsidian, Amethyst, Diamond |
| Mineral Examples - Non-Metallic #3 | Emerald, Calcite, Talc |
| Mineral Examples - Metallic #1 | Gold, Pyrite, Silver |
| Mineral Examples - Metallic #2 | Iron, Galena, Magnetite |
| Mineral Examples - Metallic #3 | Native Copper, Hematite, Sphalerite |
| Mineral Cleavage | The tendency of a mineral to split along flat, smooth surfaces. |
| Mineral Fracture | The manner in which a mineral breaks along an irregular surface. |
| Types of Luster | Adamantine, Dull, Greasy, Metallic, Pearly, Resinous, Silky, Submetallic |
| Hardness | The ability of a mineral to resist scratching. |