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rocks and minerals
| Question | Answer |
|---|---|
| Cleavage | the tendency of crystals, certain minerals, rocks, etc., to break in preferred directions so as to yield more or less smooth surfaces |
| Fracture | the characteristic manner of breaking |
| Streak | a long, narrow mark, smear, band of color |
| Luster | the state or quality of shining by reflecting light; glitter, sparkle, sheen, or gloss |
| Moh's Hardness Scale | The scale that rates minerals hardness from 1 to 10 |
| Crystal | a solid body having a characteristic internal structure and enclosed by symmetrically arranged plane surfaces, intersecting at definite and characteristic angles. |
| Element | one of a class of substances that cannot be separated into simpler substances by chemical means. |
| Fluorescence | the emission of radiation, especially of visible light, by a substance during exposure to external radiation, as light or x-rays. |
| Geode | a hollow concretionary or nodular stone often lined with crystals. |
| Crystalization | . to form or cause to form crystals; assume or cause to assume a crystalline |
| Solid | firm, hard, or compact in substance |
| Solution | the process by which a gas, liquid, or solid is dispersed homogeneously in a gas, liquid, or solid |
| Vien | one of the strands or bundles of vascular |
| Inorganic | not having the structure or organization characteristic of living bodies |
| Metamorphic Rock | Rock that was once one form of rock but has changed to another under the influence of heat, pressure, or some other agent without passing through a liquid phase. |
| Igneous Rock | Rocks formed by the cooling and solidifying of molten materials. Igneous rocks can form beneath the Earth's surface, or at its surface, as lava. |
| Sedimentary Rock | Rock that has formed through the deposition and solidification of sediment, especially sediment transported by water (rivers, lakes, and oceans), ice ( glaciers), and wind. Sedimentary rocks are often deposited in layers, and frequently contain fossils. |
| Texture | the characteristic physical structure given to a material, an object, etc., by the size, shape, arrangement, and proportions of its parts: soil of a sandy texture |
| Banded | marked or fitted with a band or bands. |
| Non-Banded | Not banded |
| Coarse Grained | having a coarse texture or grain. |
| Fine Grained | being of fine grain or texture, as certain types of wood, leather, etc. |
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tyy
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