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obsidian (volcanic glass, pyroclastic rock, ... Materials (hierarchy name)) |
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Note: A dark, shiny glass formed in nature by the rapid cooling of lava. Obsidian is widely distributed and has been used since Paleolithic (before 3500 BCE) times for mirrors, weapons, tools, and jewelry. Obsidian is often black in color but may also be red, brown or green. It produces conchoidal fractures when cleaved. Sources of obsidian include Anatolia, Armenia, Ethiopia, Greece (Milos), Italy (Lipari, Eolie), Iceland, the U.S. (Wyoming), Mexico (Teotihuacan), Guatemala (Tikal), and Peru. Obsidian changes into pumice when it is melted.
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| Terms: |
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| obsidian (preferred,C,U,LC,English-P,D,U,N)
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| 黑曜岩 (C,U,Chinese (traditional)-P,D,U,U)
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| 黑燿石 (C,U,Chinese (traditional),UF,U,U)
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| hēi yào yán (C,U,Chinese (transliterated Hanyu Pinyin)-P,UF,U,U)
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| hei yao yan (C,U,Chinese (transliterated Wade-Giles),UF,U,U)
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| hei yao yan (Chinese (transliterated Pinyin without tones)-P,UF,U,U)
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| obsidiaan (C,U,Dutch-P,D,U,U)
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| obsidienne (C,U,French-P,D,U,N)
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| Obsidian (C,U,German-P,D,U,U)
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| obsidiana (C,U,Portuguese-P,D,U,U)
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| obsidiana (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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.................... rock (inorganic material) (G) |
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........................ igneous rock (G) |
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............................ <igneous rock by origin> (G) |
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................................ extrusive rock (G) |
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.................................... pyroclastic rock (G) |
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........................................ volcanic glass (G) |
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............................................ obsidian (G) |
Additional Notes: |
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| Chinese (traditional) ..... 一種耐酸的黑色或暗色火山玻璃，以其光澤及斷裂後呈現之曲折閃亮的表面而著名。可用來製造首飾、箭頭及藝術品。其原文名取自奧伯西斯（Obsius）之名，應即是發現此岩石者。黑曜岩熔化時會轉化成浮石（pumice）。 |
| Dutch ..... Een zuurresistent zwart of donkergekleurd vulkanisch glas, met een opvallende glans en een gewelfd, glimmend oppervlak wanneer het wordt gespleten. Het wordt gebruikt voor het maken van sieraden, pijlpunten en kunstvoorwerpen en is genoemd naar Obsius, die het ontdekt zou hebben. Obsidiaan verandert in puimsteen wanneer het wordt gesmolten. |
| Spanish ..... Vidrio volcánico negro o de color oscuro resistente al ácido. Es notable por su brillo y por su superficie curva y brillante al fracturarse. Se utiliza para hacer joyas, puntas de flecha y objetos artísticos. Recibe su nombre por Obsius, que se supone su descubridor. La obsidiana se convierte en piedra pómez al fundirse. |
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Related concepts: |
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| material for .... |
obsidian mirrors |
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(<mirrors by form>, mirrors, ... Furnishings and Equipment (hierarchy name)) [300343838] |
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Sources and Contributors: |
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