| 单词 | plagionite | 
| 释义 | plagioniten. Mineralogy.   A rare blackish grey mineral occurring as thick, tabular crystals of metallic appearance and consisting of a monoclinic sulphide of lead and antimony, Pb5Sb8S17. ΘΚΠ the world > the earth > minerals > types of mineral > sulphides and related minerals > sulpho-salts > 			[noun]		 > lead antimony sulphide plagionite1835 zinckenite1835 kilbrickenite1841 geocronite1842 plumbostib1844 schulzite1849 boulangerite1868 jordanite1868 robinsonite1951 1835    Rec. Gen. Sci. 1 271 		(heading)	  				Plagionite.—The crystals of this mineral belong to the oblique rectangular prismatic system of Beudant. 1866    H. Watts Dict. Chem. IV. 661  				Plagionite, a sulphantimonite of lead occurring at Wolfsberg in the Hartz. 1959    C. S. Hurlbut Dana's Man. Mineral. 		(ed. 17)	 283  				Other minerals of similar composition [to jamesonite] but different habit are: plagionite, Pb5Sb8S17; semseyite, Pb9Sb8S4; geocronite, Pb5(Sb,As)2S8. 1990    Proc. Ussher Soc. 7 258/2  				Sulphosalt dominated assemblages consist of tetrohedrite..and plagionite (Pb5Sb8S17) intergrowths developed along intergrain fractures. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). <  | 
	
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