 | Friedrich Mohs - 1825 - 492 sider
...hydrate of peroxide of iron, 2 Fe + 3 Aq, the proportions of peroxide of iron and water being as 85 30 to 14-70. The first analysis refers to a hematitic...Parachrose-baryte, sometimes also by prismatic Hal-baryte, rhombohedral and prismatic Lime-haloide, rhombohedral Quartz (often Calcedony), and other species.... | |
 | Friedrich Mohs - 1825 - 490 sider
...hydrate of peroxide of iron, 2 Fe + 3 Aq, the proportions of peroxide of iron and water being as 85 30 to 14-70. The first analysis refers to a hematitic...Parachrose-baryte, sometimes also by prismatic Hal-baryte, rhombohedral and prismatic L,ime-haloide, rhombohedral Quartz (often Calcedony), and other species.... | |
 | Francis Lieber, Edward Wigglesworth, Thomas Gamaliel Bradford - 1831 - 620 sider
...and •water being as 85.30 to 14.70. Before the blow-pipe, it becomes black and magnetic. It melte, with borax, into a green or yellow glass, and is soluble in heated nitre-muriatic acid. The division introduced among the varieties of the present species, is somewhat... | |
 | Francis Lieber, Edward Wigglesworth - 1831 - 618 sider
.... 2.00 Silica, 1.00 . . 2;00 the proportion of peroxide of iron and water being as 85.30 to 14.70. Before the blow-pipe, it becomes black and magnetic....glass, and is soluble in heated nitro-muriatic acid. The division introduced among the varieties of the present species, is somewhat similar to that which... | |
 | Encyclopaedia Americana - 1831 - 608 sider
.... 2.00 Silica, 1.00 . . 2.00 the proportion of peroxide of iron and water being as 85.30 to 14.70. Before the blow-pipe, it becomes black and magnetic....melts, with borax, into a green or yellow glass, and ia soluble in heated nitro-muriatic acid. The division introduced amoiig the varieties of the present... | |
 | Ebenezer Emmons - 1832 - 320 sider
...repeated. Massive. Composition columnar or impalpable. Particles often slightly coherent, earthy, dull. 1. Before the blow-pipe it becomes black and magnetic....glass, and is soluble in heated nitro-muriatic acid. It consists of Peroxide of iron, 82. Water, 14. Oxide of manganese, 2. Silex, 1. 2. Prismatic Iron-ore... | |
 | Ebenezer Emmons - 1832 - 318 sider
...repeated. Massive. Composition columnar or impalpable. Particles often slightly coherent, earthy, dull. 1. Before the blow-pipe it becomes black and magnetic....a green or yellow glass, and is soluble in heated nitre-muriatic acid. It consists of Peroxide of iron, 82. Water, 14. Oxide of manganese, 2, Siiex,... | |
 | Francis Lieber, Edward Wigglesworth - 1835 - 608 sider
...manganese, . . 2.00 . . 2.00 the proportion of peroxide of iron and water being as 85.30 to 14.70. Before the blow-pipe, it becomes black and magnetic....a green or yellow glass, and is soluble in heated nitre-muriatic acid. The division introduced among the varieties of the present species, is somewhat... | |
 | Charles Upham Shepard - 1835 - 690 sider
...Sideroschisolite ; though it is probable that some of them contain scales of Specular Iron also. 2. Before the blow-pipe, it becomes black and magnetic....a green or yellow glass, and is soluble in heated nltromurialic acid. . 3. Jlnalysii. By D'AUBUISSON. ' A fibrous variety. A compact vsrieljr. Peroxide... | |
 | Francis Lieber, Edward Wigglesworth - 1838 - 618 sider
.... . 2.00 Silica, 1.00 .. 2.00 the proportion of peroxide of iron and water being as 85.30 to 14.70. Before the blow-pipe, it becomes black and magnetic. It melts, with borax, into a green or yellow ilass, and is soluble in heated nitro-muriatic acid. The division introduced among the varieties of... | |
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It melts, with borax, into a green or yellow glass, and is soluble in heated nitro-muriatic acid. The division introduced among the varieties of the present species, is somewhat similar to that which has been given to red iron ore. Crystallized hydrous... 