单词 | bustamite |
释义 | bustamiten. Mineralogy. A manganese-containing mineral, typically occurring as pink to reddish-brown prisms.Bustamite is a silicate of manganese and calcium, CaMnSi2O6, with zinc, iron, and magnesium frequently replacing some of the manganese. Crystal system: triclinic. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > miscellaneous silicates > [noun] > other silicates of two elements bustamite1830 nickel-gymnite1853 uranophane1861 genthite1867 howlite1868 uranotile1871 peckhamite1880 kentrolite1882 melanotekite1882 åkermanite1890 molybdophyllite1901 ramsayite1924 truscottite1925 reedmergnerite1954 1830 Amer. Jrnl. Sci. 18 392 Bustamite, from Mexico; drusy, of a bladed structure; color gray, greenish and reddish. 1837 J. D. Dana Syst. Mineral. 304 Bustamite..was discovered by M Bustamente of Mexico, accompanied with quartz and manganese. 1884 H. Bauerman Text.-Bk. Descr. Mineral. vii. 168 The more highly calciferous kind [of rhodonite] is called Bustamite, and that with zinc, Fowlerite. 1942 A. F. Rogers & P. F. Kerr Optical Mineral. (ed. 2) ii. 275 Pyroxenoids include rhodonite, bustamite, pectolite, and wollastonite. 1977 Science 14 Oct. 187/2 This view is supported by the widespread occurrence of clinopyroxene-fluid inclusion complexes in bustamite. 2004 W. D. Nesse Introd. Optical Mineral. (ed. 3) xii. 218/2 Bustamite [(Mn,Ca)SiO₃] is a separate mineral with intermediate compositions. This entry has been updated (OED Third Edition, March 2012; most recently modified version published online December 2021). < n.1830 |
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