VI 



CONTENTS. 



6. Earthy minerals, (silicates or aluminates,) . 132 



1. Silica, . . . . . .132 



2. Lime, . . . . . .141 



3. Magnesia, ...... 143 



1. Hydrous silicates, .... 143 



2. Anhydrous silicates, .... 150 



4. Alumina, ...... 158 



1. Uncombined, . . . . .158 



2. Combined with other oxyds, . . .160 



3. Hydrous combinations with silica, . 161 



4. Anhydrous combinations with silica, . 172 



5. Combinations of a silicate and fluorid, 194 



6. Combination of a silicate and sulphate, . 196 

 7. Silicate with a chlorid. 



5. Glucina, . . . . . . 19*7 



6. Zirconia, . . . . . . 200 



7. Thoria, . . . . . .202 



7. Metals and metallic ores, . . . . 202 



1. Easily oxydizable metals, . . . . 2C 8 



1, 2, 3. Cerium and Ttrium, Lanthanum, . 206 



4. Titanium, . . . . .209 



5. Tin, . ... . . .213 



6. Molybdenum, . . . .217 



7. Tungsten, . . . . .218 



8. Vanadium, . . . . .219 



9. Tellurium, . . . . .219 



10. Bismuth, . . . . .* 220 



11. Antimony, ..... 222 



12. Arsenic, . . . . .225 



13. Uranium, ..... 226 



14. Iron, . . . . . .229 



15. Manganese, . . ... . 258 



16. 17. Chromium, Nickel, . . .262 



18. Cobalt, . . . . .266 



19. Zinc, . . . . . .269 



20. Cadmium, . . . . .276 



21. Lead, . . . . . .276 



22. Mercury, .. . . .287 



23. Copper, . . . . .290 



2. Noble Metals. 



1. Platinum, Iridium, Palladium, . . 308 



2. Gold, . . . . . .312 



3. Silver, . . . . . .323 



Chap. VII. — Chemical composition and formulas of Minerals, 336 

 Caap. VIII. — Rocks or Mineral Aggregates, . . . 348 



Chap. IX. — Catalogue of American localities of Minerals, . 374 

 Brief notice of Foreign Mining Regions, . . . 403 



Mineralogical Implements, ..... 408 



"Weights, Measures and Coins, . . . . .410 



Tables for the Determination of Minerals, . . . 414 



Index. ........ 441 



