INDEX. 



447 



Hair salt, 124. 

 Halloysite, 160. 

 Harmotome, 168. 

 Harringtonite, 167. 

 Harrisite, 292. 

 Hartite, 97. 

 Hatchetine, 97. 

 Hauerite, 261. 

 Hausmannite, 261. 

 Hauyne, 196. 

 Haydenite, 170. 

 Hayesine, 123. 

 Heavy spar, 108. 

 Hedenborgite, 151, 245, 

 Hedyphane, 284. 

 Heliotrope, 137. 

 Helvin, 200. 

 Hematite, Brown, 239. 



Red, 237. 

 Hercinite, 161. 

 Herschelite, 170. 

 Heteroelin, 260. 

 Heterosite, 261. 

 Heulandite, 164. 

 Hisingerite, 245. 

 Hone slate, 353, 354, 358. 

 Honey stone, 132. 

 Hopeite, 273. 

 Horn quicksilver, 288. 



silver, 327. 

 Hornblende, 152. 

 Hornblende slate, 353. 

 • Hornstone, 136. 



Houille, Fr. for coal. 

 Hudsonite, 151. 

 Humboldtilite, 181. 

 Eumite, 158. 

 Huraulite, 261. 

 Hyacinth, 201, 189. 

 Hyalite, 140. 

 Hydraulic limestone, 366 

 Hydroboracite, 123. 

 Hydrochloric acid, 77. 

 Hydrogen, 



Carburetted, 77. 



Phosphuretted, 77 



Sulphuretted, 77. 

 Hydromagnesite, 125, 

 Hydrophane, 139. 

 Hydrotalcite, 329. 

 Hypersthene, 151. 

 Hystatite, 241. 



Iberite, 163. . 



Ice, 78. 



Ice spar, 176, 178. 



Iceland spar, 116. 



Ichthyophthalmite, L65, (Apo 



phyllite.) 

 Idocrase, 184. 

 Idiialin, 97. 

 Ilmenite, 241. 

 Ilvaite, 245. 

 Indicolite, 188. 

 Iodic silver, 328. 



mercury, 289. 

 Iolite, 190. 



Hydrous, 163. 

 Iridium, 310. 

 Iridosmine, 310. 

 IRON, 229. 



History of, 250. 



Manufacture of, 251 

 Iron, Arsenates of, 249. 



Arsenical, 234. 



Carbonate of, 247. 



Carburet of, 91. 



Chromate of, 241. 



Columbate of, 243. 



Hematitic, 237, 239. 



Hydrous oxyd of, 239. 



Meteoric, 230. 



Native, 230. 



Oligiste, 237. 



Oxalate of, 249. 



Oxyds of, 235, 237, 239. 



Phosphate of, 248. 



Silicates of, 245. 



Sparry or spathic, 247. 



Specular, 237. 



Sulphate of, 246. 



Sulphurets of, 231. 



Titanic, 241. 



Tungstate, 244. 

 Iron chrysolite, 245. 

 Iron earth, Green, 249. 



Blue, 249. 

 Iron furnace, 252. 

 Iron mica, 248, (Vivianite.) 

 Iron ores, general notice of, 250 



Assay of, 251. 



Reduction of, 251. 

 Iron ore, Argillaceous, 237 23$ 

 247. 



