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Research Home
 Tools Art & Architecture Thesaurus Full Record Display
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touchstone (flint (rock), chert, ... Materials (hierarchy name)) |
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Note: A velvety-black variety of cryptocrystalline quartz, siliceous shale, or similar substance used by jewelers for testing the purity of precious metal, especially gold, by the streak left on the stone when rubbed with the metal.
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| Terms: |
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| touchstone (preferred,C,U,English-P,D,U,N)
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| basanite (C,U,English,UF,U,N)
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| Lydian stone (C,U,English,UF,U,N)
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| stone, Lydian (C,U,English,UF,U,N)
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| 試金石 (C,U,Chinese (traditional)-P,D,U,U)
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| shì jīn shí (C,U,Chinese (transliterated Hanyu Pinyin)-P,UF,U,U)
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| shi jin shi (C,U,Chinese (transliterated Pinyin without tones)-P,UF,U,U)
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| shih chin shih (C,U,Chinese (transliterated Wade-Giles)-P,UF,U,U)
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| toetssteen (C,U,Dutch-P,D,U,U)
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| pierre de touche (C,U,French-P,D,U,N)
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| pierre d'essai (C,U,French,UF,U,N)
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| piedra de toque (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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.................... rock (inorganic material) (G) |
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........................ sedimentary rock (G) |
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............................ <sedimentary rock by composition> (G) |
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................................ chert (G) |
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.................................... flint (rock) (G) |
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........................................ touchstone (G) |
Additional Notes: |
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| Chinese (traditional) ..... 一種呈柔和黑色的隱晶質石英、矽質頁岩或相似物質，珠寶匠將其與金屬摩擦，依照石頭上留下的條痕來測試貴金屬（特別是金）之純度。 |
| Dutch ..... Een fluweelzwarte variant van cryptokristallijnkwarts, kiezelschalie of een dergelijke stof die door juweliers wordt gebruikt voor het keuren van de zuiverheid van edelmetalen, voornamelijk goud. |
| Spanish ..... Variedad negra aterciopelada de cuarzo criptocristalino, pizarra silicosa o sustancia similar, utilizada por los joyeros para analizar la pureza de un metal precioso, en particular oro.
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Sources and Contributors: |
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