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Minerals
| Term | Definition |
|---|---|
| Crystalline | Imagine tiny building blocks arranged in a perfect, repeating pattern; a neat, organized structure, like crystals in a rock. |
| Fracture | When a mineral breaks in a rough or jagged way, instead of along smooth lines. It's like breaking a piece of wood—it doesn't split perfectly. |
| Hardness | How tough a mineral is. Some minerals are so soft you can scratch them with your fingernail, while others, like diamonds, are super hard and can only be scratched by another diamond. |
| Inorganic | This means something isn't made from living things or their remains. Rocks and minerals are inorganic because they're made from non-living materials. |
| Luster | How shiny or dull a mineral looks when light hits it. Some minerals sparkle like metal, while others might be more dull or glassy. |
| Mineral | Naturally made, solid material with a specific chemical makeup and crystal shape. The ingredients that make up rocks. |
| Streak | If you scratch a mineral on a special plate, it leaves a colored powder. That color is called the streak, and it can help you figure out what the mineral is. |
| Cleavage | when a rock or mineral breaks along smooth, flat surfaces, kind of like breaking a piece of chocolate along the lines. |
| Element | a pure basic building block that cannot be broken down into anything simpler; Most minerals are made by combining two or more different elements together |