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MINERALS :)
| Term | Definition |
|---|---|
| Naturally occurring : | Created by nature |
| Inorganic : | Cannot be created using any living thing, only NON-living. |
| Solid : | Minerals have a definite volume, and shape |
| Crystal Structure : | Particles of a mineral lines up in a pattern over and over again |
| Definite chemical composition : | A mineral has definite chemical make-up of certain elements. |
| Mohs hardness scale : | Identifies hardness from softest to hardest of ten minerals. |
| Color : | Easily observed physical property. |
| Streak : | The color of the minerals powder is easily observed |
| Luster : | Its reflection of light in the minerals surface. |
| Density : | How tightly packed the matter is in the mineral. |
| Crystal system : | The minerals actual polygon shape, example cube, or hexagon. Cleavage: Mineral break |
| Cleavage : | Mineral breaks along a flat surface, smooth break. |
| Fracture: | Mineral breaks in an irregular way, jagged and uneven. |
| Crystallization through melted materials : | form from magma that cools inside the crust or lava that cools on the surface. Magma cools slowly creating large minerals, and lava cools quickly creating small minerals. |
| Minerals in hot water solution : | Magma heats water to very high temperatures, when the hot water cools the water and leaves the solution that creates the crystallization. |
| Minerals form : | When solutions evaporate |
| Where minerals are found : | Many rare and valuable minerals are found in or near volcanic activity, mountain building, and bodies of water |
| Gemstones : | Using minerals such as rubies and sapphires for jewelry |
| Metals : | Using minerals such as aluminum, iron, copper, and silver, to make other items we use or want. |
| Other Useful Minerals: | Example: talc= talcum powder |
| Ores : | A rock that contains metal or useful minerals |
| Prospector | Someone who looks for ore deposits. |
| Mining | Where are deposits are mined |
| Strip mines: Equipment scrapes away the earth's surface to find ores | Equipment scrapes away the earth's surface to find ores |
| Open pit mines : | Used when ores or on the earth's surface, but at least 100 meters down. |
| Shaft mines : | Are deep in the earth’s surface following the veins of an ore. |
| Smelting : | The process that is used after the ore is removed from the mine and the metal is removed from the ore. |