单词 | michaelsonite |
释义 | michaelsoniten. Mineralogy. rare. A silicate of zirconium, iron, calcium, beryllium, and certain rare earth metals. ΚΠ 1868 J. D. Dana Syst. Mineral. (ed. 5) 289 Michaelsonite Dana. An orthite-like mineral occurring near Brevig.., containing, like muromontite, little alumina and some glucina. 1896 A. H. Chester Dict. Names Minerals 175 Michaelsonite..[named] after J. A. Michaelson, who first analyzed it. A syn. of erdmannite. 1993 A. M. Clark Hey's Mineral Index (ed. 3) 457/2 Michaelsonite... Classed by W. C. Brøgger (1887)..as an inhomogeneous alteration product from melanocerite or homilite. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < n.1868 |
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