Volltext Seite (XML)
LIEVRtTE. 77 Constituent Parts. Silica, 28.0 Alumina, 0.6 Lime, 12.0 Oxide oflron, 55.0 Oxide of Man ganese, 3.0 98.6 Descotits. Silica, - 29 I.ime, - 12 Oxide of Iron and Oxide of Manganese, 57 98 Vauyuelin. Silica, SO.O Lime, 12.5 Oxide of Iron and Oxide of Manganese, 57.5 100.0 Vauquelin. Silica, 30.0 Alumina, 1.0 Lime, IAS Oxide of Iron, 49.0 Oxide of Man ganese, 2.0 96.8 paujueUn. Geognostic and Geographic Situations. It occurs in primitive limestone, along with epidotc, quartz, garnet, magnetic ironstone, and crystallised ar- senic-pyrites, at Rio la Marine, and Cape Calamite, in the island of Elba. It is said also to occur in Siberia. Observations. 1. Colour, crystallization, kind of lustre, fracture, distinct concretions, opacity, hardness, and considerable weight, distinguish this mineral from all others with which it might be confounded. 2. Werner places it in the system between Schorl and Epidote: in the systems of Hauy, Steffens, and Eenz, it follows Augite; which latter arrangement is here followed. The quantity of iron it contains, is re markable ; and if not accidental, shews that I-ievrite probably belongs to a family different from any in the Wernerian system. 3- The French naturalist who first directed the atten tion of mineralogists to this mineral, named it Ycmle, in honour of the battle of Jena ! Iloflmann, in Saxony, f 1 fleets to be ignorant of the origin of this name. Lenz is