单词 | manganosiderite |
释义 | manganosideriten. Mineralogy. A variety of rhodochrosite containing approximately equal amounts of MnCO3 and FeCO3. ΚΠ 1884 E. S. Dana Dana's Syst. Mineral. (ed. 5) App. III. 103 A variety of rhodochrosite has been called Manganosiderite by Bayer. 1950 Thorpe's Dict. Appl. Chem. (ed. 4) X. 539/2 With increasing iron it [sc. rhodochrosite] passes to manganosiderite. 1992 W. A. Deer et al. Introd. Rock-forming Minerals (ed. 2) 636 A variety of rhodochrosite containing up to 20 per cent FeCO3 has been called ponite, the term manganosiderite being used when Mn ∼ Fe. This entry has been updated (OED Third Edition, September 2000; most recently modified version published online March 2022). < n.1884 |
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