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minerals
chapter 4
| Question | Answer |
|---|---|
| Mineral | A naturally occurring inorganic solid that has a crystal structure and a definite chemical composition |
| element | A substance composed of a single kind of Atom |
| compound | Two or more elements are combined so that the elements no longer have distinct properties |
| Properties | Hardness, Color, Streak, Density, Luster |
| Cleavage | A mineral that splits easily along flat surfaces has the property called CLEAVAGE |
| Fracture | When a mineral breaks in an irregular way |
| Fluorescene | Minerals that glow under ultraviolet light have a property know as fluorescene |
| What two ways are minerals formed? | Through crystallization of melted materials and through the crystallization of materials dissolved in water |
| Vein | A narrow channel or slab of a mineral that is much different from the surrounding rock |
| Solution | A mixture in which one substance dissolves in another |
| Gemstone | A hard colorful mineral that has a brilliant or glassy luster |
| Ore | A rock that contains a metal or economically useful mineral |
| 3 Types of Mines | Strip, Open pit mines and shaft Mines |
| Alloy | A solid mixture of two or more metals |
| Smelting | removing the metals from the ore |
| What are the Five steps to smelting? | Iron ore is crushed, |
| Crystals | The repeating pattern of a minerals particles |
| Name Six Types of Crystal Systems | Magnetite, Quartz, Rutile, Sulfur, Azurite, Microcline Feldspar |
| Prospector | Anyone who searches or "prospects" for an ore deposit |
| Rock forming minerals | 20 minerals that make up the earths crust |
| Characteristics of a mineral? | Naturally occurring, Inorganic, Solid, Crystal Structure, definite chemical composition, |
| What are the properties of a mineral? | Hardness, Color, Streak, Luster, Density |
| How would properties be used to identify minerals? | Each mineral has its own specific properties that can be used to identify it |
| Stainless steel | An alloy of iron, chromium, and nickel- it doesn't rust |
| Pyrite | Fools gold - Iron and sulfur |