plumbo-
before a vowel plumb-, used as combining form of L. plumbum lead, forming chemical and mineralogical terms.
plumboˈcalcite Min., an isomorphous mixture of the carbonates of lead and calcium, Pb{pp}CO3.32Ca{pp}CO3, occurring in rhombohedral forms at Leadhills and Wanlockhead (Watts). plumboˈcuprite Min. = cuproplumbite (Chester). plumboˈgummite Min. [f. F. plombgomme + -ite1], a hydrous phospho-aluminite of lead resembling gum. plumboˈjarosite Min. [jarosite], a basic sulphate of lead and ferric iron, PbFe6(SO4)4(OH)12, that occurs as brown hexagonal crystals, esp. as a secondary mineral in lead ores in arid regions. plumboˈmanganite Min., a sulphide of lead and manganese, PbS.3MnS. plumboˈmethyl Chem., a compound of lead with molecules of methyl, as plumbotrimethyl Pb(CH3)3; plumbotetramethyl Pb(CH3)4, a colourless mobile liquid (Watts Dict. Chem. III. 563). plumboˈresinite Min. = plumbogummite. plumboˈstannite Min. [L. stannum tin], sulphantimonide of tin, lead, and iron (Chester). ˈplumbostib, -ˈstibnite Min. [L. stibium antimony]= boulangerite.
| 1834 Amer. Jrnl. Sc. XXVI. 386 *Plumbocalcite..described by Johnson as a mineral found at Wanlockhead in Scotland. |
| 1892 Dana Min. (ed. 6) 855 *Plumbogummite. |
| 1902 *Plumbojarosite [see natrojarosite s.v. natro-]. 1938 Jrnl. R. Soc. W. Australia XXIV. 112 This appears to be the first occasion on which either beudantite or plumbojarosite has been found in Australia. 1959 Mineral Abstr. XIV. 275/2 Plumbojarosite is found as compact and powdery aggregates of flaky crystals in the Akatuev deposit in eastern Transbaikal region. |
| 1877 J. B. Hannay in Mineralog. Mag. 149 *Plumbomanganite. |
| 1866 Watts Dict. Chem. IV. 685 *Plumboresinite, Plombgomme. |
| 1868 Dana Min. (ed. 5) 99 *Plumbostib is also from Nertschinsk. It consists, according to Plattner, of antimony, arsenic, sulphur, a little iron, with 58·8 p.c. of lead; and appears to be boulangerite. |