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andradite (garnet (mineral), mineral, ... Materials (hierarchy name)) |
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Note: A type of garnet composed of a calcium iron silicate. Colors include yellow, red, green, brown, and black. Gemstone quality andradite is mined in the Ural Mountains, Italy, Switzerland, Norway, France, and in the United States (Arkansas and New Jersey). It is valued because of its high dispersion (separation of light into colors), which is even greater than that of diamond, and refractive index.
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| Terms: |
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| andradite (preferred,C,U,English-P,D,U,N)
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| andradiet (C,U,Dutch-P,D,U,U)
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| Andradit (C,U,German-P,D,U,U)
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| andradita (C,U,Spanish-P,D,U,U)
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Facet/Hierarchy Code: M.MT |
Hierarchical Position:
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Materials Facet |
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.... Materials (hierarchy name) (G) |
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........ materials (substances) (G) |
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............ <materials by composition> (G) |
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................ inorganic material (G) |
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.................... mineral (G) |
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........................ garnet (mineral) (G) |
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............................ andradite (G) |
Additional Parents:
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Materials Facet |
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.... Materials (hierarchy name) (G) |
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........ materials (substances) (G) |
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............ <materials by form> (G) |
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................ <materials by chemical form> (G) |
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.................... compounds (materials) (G) |
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........................ silicates (G) |
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............................ andradite (G) |
Additional Notes: |
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| Dutch ..... Soort granaatsteen die bestaat uit calciumijzersilicaat. Het komt voor in de kleuren geel, rood, groen, bruin en zwart. Andradiet van halfedelsteenkwaliteit wordt gedolven in de Oeral, Italië, Zwitserland, Noorwegen, Frankrijk en de Verenigde Staten (Arkansas en New Jersey). Het wordt gewaardeerd vanwege de hoge verstrooiing (scheiding van licht in kleuren), die nog groter is dan bij diamant, en vanwege de grote brekingsindex. |
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Sources and Contributors: |
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