A glossary of mineralogy . on . 3-22 Carbonate of lime . 18-81 Carbonate of magnesia . 9-97 99-48 Locality. Schemuitz in Hungary. Mangaxschaum, Hausmann. See Wad. Manganspath, Werner. See Diallo-gite. Mangan-vitriol, Glocker. See OF Manganese. Marasmolite, Shepard. A partiallydecomposed Marmatite, containing somefree sulphur; from Middletown, Connecti-cut, Marcasite, Haidinger. Iron : primary form a right rhombicprism. Occurs crystallized in modifiedrhombic prisms; also stalactitic, reniform,and botryoidal. Colour pale bronze-yellowor nearly tin-white, with a tin
A glossary of mineralogy . on . 3-22 Carbonate of lime . 18-81 Carbonate of magnesia . 9-97 99-48 Locality. Schemuitz in Hungary. Mangaxschaum, Hausmann. See Wad. Manganspath, Werner. See Diallo-gite. Mangan-vitriol, Glocker. See OF Manganese. Marasmolite, Shepard. A partiallydecomposed Marmatite, containing somefree sulphur; from Middletown, Connecti-cut, Marcasite, Haidinger. Iron : primary form a right rhombicprism. Occurs crystallized in modifiedrhombic prisms; also stalactitic, reniform,and botryoidal. Colour pale bronze-yellowor nearly tin-white, with a tinge of yellowor grey. Lustre metallic. Streak darkgreenish-grey. Brittle. Emits a smell ofsulphur when triturated. Very liable todecompose. Fracture H. 6 to 4-65 to 4-88. Comp. Bisulphide of iron, or Fe S^^iron46-7, sulphur 63-3 = 100. BB behaves like Pyrites. Localities. Often in the joints or backs MARCASITE. of coal. English. — Cornwall; Crowndale,Cooks Kitchen, Huel Unity, Fowey Consols, Fig Fig. 278. Fig. 279. East Huel Rose, stalactitic and : on crystalli;:ed Quartz atVirtuous Lady Mine, fi:/, 279 ; Tamar Sil-ver-lead Mines, near Tavistock; Combmar-tin. Kent: in grey chalk marl near Folke-stone and Dover, fig. 278 ; Isle of , in Wiltshire. Near Castleton,Derbyshire, figs. 277 and 279. On crystalsof Calc Spar at Garrigill in Cumberland,fig. 278. — Scotch. Alva mine, Stirlingshire.—Irish. Near Dublin: in lance-shaped crys-tals at Kilkee, co. Clare. — Foreign. Inthe plastic clay of the Brown Coal forma-tion at Littmitz and Alsatell, near Carlsbadin Bohemia (Spear and Radiated Pyrites).Joachimsthal and various parts of Saxony. Name. The word Marcasite is stated byKoch to be derived from an Arabic word,mawr kjass idd, signifying like a shining,fire*giving stone. Brit. Mus., Case 16. G. Horse-shoe Case, jSTo. 150. Under the term Marcasite are includedseveral varieties, which have been namedafter the forms the
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectmineral, bookyear1861
