单词 | trihydrocalcite |
释义 | > as lemmastrihydrocalcite trihydrocalcite n. Brit. /ˌtrʌɪhʌɪdrə(ʊ)ˈkalsʌɪt/ , U.S. /ˌtraɪhaɪdroʊˈkælˌsaɪt/ [ < Russian trigidrokal′tsit″ (P. N. Chirvinsky 1906, in Ezhegodnik″ po Geol. i Mineral. Rosīi VIII. 241/1)] Mineralogy a trihydrate of calcium carbonate, CaCO3.3H2O, the natural occurrence of which is uncertain.ΘΚΠ the world > the earth > minerals > types of mineral > carbonates > [noun] > hydrated calcium carbonate pentahydrocalcite1910 trihydrocalcite1910 scawtite1929 1910 Mineral. Mag. 15 432 Tri~hydrocalcite... Hydrated calcium carbonate, CaCO3.3H2O, occurring as a mould-like encrustation on chalk~marl near Nova-Alexandria. 1928 Ann. Rep. Progr. Chem. 24 308 The minerals hydroconite, hydrocalcite (trihydrocalcite, pentahydrocalcite), and lublinite periodically come to be regarded as doubtful minerals, because when re-examined on museum material they are found to be merely calcite. < as lemmas |
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