INDEX. 



44V 



Hair salt, 124. 

 Halloysiie, 160. 

 Harmotome, 168. 

 Harringtonite, 167. 

 Harrisite, 292. 

 Hartite, 97. 

 Hatchetine, 97. 

 Hauerite, 261. 

 Hausmannite, 261. 

 Bauyne, 196. 

 Haydenite, 170. 

 Hayesine, 123. 

 Heavy spar, 108. 

 Hedentorgite, 151, 245. 

 Hedyphane, 284. 

 Heliotrope, 137. 

 Helvin, 200. 

 Hematite, Brown, 239. 



Red, 237. 

 Hercinite, 161. 

 Herschelite, 170. 

 Heteroclin, 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, 866. 

 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, 165, (A|>o 



phyllite.) 

 Idocrase, 184. 

 Idrialin, 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, 239 

 247. 



