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Rocks and Minerals
vocabulary
| Question | Answer |
|---|---|
| Minerals | a solid inorganic substance of natural occurrence. |
| Crystal Structure | is a unique arrangement of atoms, ions or molecules. |
| Moh's Hardness Scale | a mineral by its resistance to scratching. |
| Luster | a gentle sheen or soft glow, especially that of a partly reflective surface. |
| Cleavge | a sharp division; a split. |
| Fracture | the cracking or breaking of a hard object or material. |
| Streak | a long, thin line or mark of a different substance. |
| Hardness | the quality or condition of being hard. |
| Crystallization | a chemical solid and occurs in a crystallizer. |
| Solution | a liquid mixture in which the minor component. |
| Vein | a fracture in rock containing a deposit of minerals. |
| Geode | a rock containing a cavity lined with crystals. |
| Elements | a substance composed of a single kind of atom. |
| Compound | a thing that is composed of two or more separate elements. |
| Inongranic | not consisting of |
| Fluorescence | the visible or invisible radiation emitted by certain substances. |
| Texture | the feel, appearance, or consistency of a surface or a substance. |
| Fine grined | consisting of small particles. |
| Course grined | slow cooling of magma far beneath earth's surface |
| Porphyry | magma cools in two stages |
| Intrusive Igneous Rock | Igneous rock formed from magma below earth's surface |
| Extrusive Igneous Rock | Igneous rock formed from lava that erupted onto the earth's surface |
| Sediment | small solid pieces of material from rocks or living things |
| Compaction | the process that presses sediments together |
| Erosion | the process in which running water wind or ice loosen and carry away Rock fragment |
| Cementaion | the process in which dissolved minerals crystallize and glue particles of sediment together is |
| Depositation | the process by which sediment settles out of the water or wind carrying |
| Clastic Rock | sedimentary rock that forms when rock fragments are squeezed together under high pressure |
| Chemical rock | sedimentary rock that forms when minerals dissolved in a solution crystallize |
| Organic rock | sedimentary rock that forms from remains of plants and animals |
| Folited | metamorphic rock with grains arranged in parallel layers or bands |
| Nonfoliated | metamorphic rock with grains arranged ramdonly |
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1964109916
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