Originally: a metallic sulphide (such as pyrites) or similar compound, esp. one that physically resembled the specified metal that it was (often…
| 单词 | θ6665 |
| 释义 | the world > the earth > minerals > types of mineral > sulphides and related minerals > [noun] > marcasite or related minerals (14) marcasite?c1425 Originally: a metallic sulphide (such as pyrites) or similar compound, esp. one that physically resembled the specified metal that it was (often… pyrites1567 Mineralogy. Either of the two common forms of iron disulphide, FeS2, pyrite and marcasite, both of which form crystals with a brassy metallic lustre… marcasin1601 = marcasite, n. Jew's stone1617 (A piece of) marcasite (marcasite, n. 2). Obsolete. copperas-stone1640 A former name of iron pyrites or Marcasite. brass lump1675 a miners' term for massive iron pyrites or marcasite. spear pyrites1837 = marcasite, n. Subcategories:— arsenides (6) — others (1) |
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