200 IRON’. white,_ like platina. It is generally covered with a thin brownish crust of oxide of iron. in mer^ ? m0Se ’ iniFrfeCt g, ° bular ’ and ^inated in meteoric stones. Its surface is smooth and glistening. Internally it is intermediate between glimmering and glistening, and the lustre is metallic. The fracture is hackly. The fragments are blunt-edged. It yields a splendent streak.° It is intermediate between soft and semi-Irard It is malleable. It is flexible, but not elastic. It is difficultly frangible. Specific gravity, 7.573, Karslen. Constituent Parts. i™. . Nickel, . Vs 9li ’ 75 3.25 100.00 100.0 k w.uu Klaproth, Beit. b. iv. s. 101 10 9 “ o ::V" e r™ ^ ^ of Nickel T» a ’ Sene g ril] , contains a portion 0 17- and the s T C ° ntainS °' 10; tl,e Siberian v.l< , ana the Senegambian 0.5 and 0.6. Geographic Situation. This subspecies of icon uppe.es to be formed i„ the mo.pl,ere by some process hitherto unknown to u, I, ■s prec,p„.,ed towards the surface of the earth in masses greater or lesser magnitude, and which generally op- peas