单词 | akrochordite |
释义 | akrochorditen. Mineralogy. A rare reddish-brown mineral typically found as small spherical aggregates in association with manganese ore.Akrochordite is a hydrated basic arsenate of manganese and magnesium, Mn4Mg(AsO4)2(OH)4·4H2O. Crystal system: monoclinic. ΘΚΠ the world > the earth > minerals > types of mineral > arsenates > [noun] > others of two elements roselite1824 hedyphane1832 svabite1893 akrochordite1922 stranskiite1960 1922 G. Flink in Geol. Föreningens i Stockholm Förhandl. 44 776 Akrochordite,..the individual grouped in wartlike aggregations. Found in..Långban mines. 1955 M. H. Hey Index Mineral Species (ed. 2) 255 Akrochordite. Mn4Mg(AsO4)2(OH)4·5H2O... Syn. Acrochordite. 2008 Amer. Mineralogist 93 506/1 Results of the crystal structural analyses in the present study indicate that the M3 site in akrochordite should be occupied solely (or at least preferably) by Mg2+. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021). < n.1922 |
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