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Mineralogy quiz
| Question | Answer |
|---|---|
| What is the definition of a mineral? | -Solid -naturally occurring -inorganic -definite chemical composition -crystal structure |
| What is the definition of cleavage? | The tendency of a mineral to split along flat, smooth surfaces. |
| What are the 5 common types of a fracture? | Conchoidal, Fibrous, Splintery, Hackly, Irregular. |
| What are 3 examples of minerals? | Sulfur, magnetite, and chloride. |
| What are 3 Examples of non minerals? | Water, granite, and coal. |
| What are 4 types of lusters? | Two main types are Metallic and Non-metallic. Some others are pearly, greasy, silky, and waxy. |
| What are some Examples of non-metallic minerals? | Sand, gravel, limestone, clay, and marble. |
| What is the definition of a Fracture? | The manner in which a mineral breaks along an irregular surface. |
| What is the softest mineral on the Mohs Scale? | Talc. |
| What is the hardest mineral on the Mohs Scale? | Diamond. |
| What is the highest number on the Mohs Scale? | 10. |
| What is a streak? | The color of a mineral in powder form. |
| True or false? Minerals harder than 6.5-7 have a "Colorless streak". | True. |
| True or false? Minerals only exist in one color. | False. |
| Is color a good property to identify minerals? | No, crystal structure or the minerals streak is the best way to identify a mineral. |