单词 |
polydymite |
释义 |
polydymite Min.|pəˈlɪdɪmaɪt| [Contr. for *polydidymite; named by Laspeyres, 1876, f. Gr. πολυ-, poly- + δίδυµος twin.] Sulphide of nickel, of a light grey colour, with metallic lustre, occurring in polysynthetic twin crystals.
1878Min. Mag. II. 98 Polydymite..occurs in macled octahedrons. 1892Dana Min. (ed. 6) 75 A nickel ore from Sudbury..corresponds to..the general formula of polydymite. |

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