PART I
OCCURRENCE OF THE RARE EARTHS |
| CHAPTER | PAGE |
| I. | The Nature of the Minerals and their Mode of Occurrence | 1 |
| II. | The Silicates | 30 |
| (a) | Silicates of Yttrium and Cerium Metals—Cerite; Gadolinite, Glowing of Minerals; Allanite, Hellandite, ThalÉnite and Thortveitite; etc. | |
| (b) | Silicates of Thorium and Zirconium—Thorite, Zircon, Naegite; etc. | |
| (c) | Mixed Silicates—Eudialyte, Beckelite; etc. | |
| III. | The Titano-silicates and Titanates | 52 |
| (a) | Titano-silicates—Yttrotitanite, Titanite; etc. | |
| (b) | Titanates—Yttrocrasite, Delorenzite, Ilmenite; etc. | |
| IV. | The Tantalo-Columbates | 60 |
| (a) | Containing no Titanium Dioxide—Samarskite (AnnerÖdite), Plumboniobite, Yttrotantalite, Fergusonite, Sipylite; etc. | |
| (b) | Containing Titanium Dioxide—Æschynite; the isodimorphous series Euxenite, Polycrase, Blomstrandine, Priorite; RisÖrite, Wiikite; etc. | |
| V. | The Oxides and Carbonates | 72 |
| (a) | Oxides—Uraninite, Thorianite, Baddeleyite; Rutile, Anatase and Brookite; etc. | |
| (b) | Carbonates—Lanthanite; Parisite (Synchisite), Cordylite; etc. | |
| VI. | The Phosphates and Halides | 82 |
| (a) | Phosphates—Monazite, Xenotime (Hussakite); etc. | |
| (b) | Halides—Yttrocerite, Yttrofluorite; etc. | |
| VII. | The Monazite Sands | 90 |
| VIII. | Radioactivity of the Minerals | 99 |
PART II
THE CHEMISTRY OF THE ELEMENTS |
| IX. | General Properties of the Cerium and Yttrium Groups | 111 |
| X. | General Methods of Separation | 142 |
| XI. | The Cerium Group—Cerium | 156 |
| XII. | The Cerium Group (continued)—Lanthanum, Praseodymium, Neodymium, and Samarium | 168 |
| XIII. | The Terbium Group | 184 |
| XIV. | The Erbium and Ytterbium Groups—Yttrium and Scandium | 194 |
| XV. | The Group IVa Elements—Titanium | 219 |
| XVI. | The Group IVa Elements (continued)—Zirconium and Thorium | 238 |
PART III
THE TECHNOLOGY OF THE ELEMENTS |
| XVII. | The Incandescent Mantle Industry—Historical and General Introduction | 265 |
| XVIII. | The Chemical Treatment of Monazite | 275 |
| XIX. | The Manufacture of Mantles from Cotton and Ramie | 291 |
| XX. | Artificial Silk—its Production and Use in the Mantle Industry | 301 |
| XXI. | Other Technological Uses of the Cerium and Yttrium Elements, Zirconium and Thorium | 313 |
| XXII. | The Industrial Applications of Titanium and its Compounds | 325 |
| Index |
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