464 GENERAL INDEX. 
Gurhofite, 219. 
Guyaquillite, 325. 
Gymunite, 309. 
‘Gypsum, 56, 210. 
Gyrolite, 293. 
Haidingerite, 214. 
Hair-salt, 205. 
Halite, 224. 
Hallite, 318. 
Hatloysite, 312. 
Halotrichite, 182, 198. 
Hamburg white, 221. 
Harmotome, 301. 
Harrisite, 138. 
Hartite, 324. 
Hatchettite, Hatchettine, 324. 
Hatchettolite, 170, 214. 
Hauerite. 188. 
Haureaulite, 191. 
Hausmamnite, 189. 
Haiiyne, Haiiynite, 270. 
Hauynophyre, 452. 
Haydenite, 301- 
Hayesine, 212. 
Heavy spar, 220. 
Hebronite, 199. 
Hedenbergite, 246. 
Hedyphane, 152. 
Heliotrope, 237. 
Helminthe, 319. 
Helvite, Helvin, 25@ 
Hematite, 176, 455. 
Brown, 181. 
Red, 176. 
Henwoodite, 200. 
Hercynite, 196. 
Herderite, 199. 
Herschelite, 301. 
Hessite, 118. 
Heterolite, 189. 
Heterosite, 191. 
Heulandite, 303. 
Hisingerite, 515. 
Heernesite, 207. 
Homilite, 289. 
Honey-stone, 201. 
Hopeite, 158. 
Hornblende, 249, 251. 
schist, 446. 
Horn quicksilver, 129. 
silver, 120. 
Hornstone, 237. 

Horse-fiesh ore, v. Bornite. 
Hortonolite, 256. 
Houghite, 194. 
Howlite, 212. 
Huascolite, 155. 
Hiibnerite, 182. 
Hudsonite, 246. 
Humboldtilite, 261. 
Humboldtite, 289. 
Humite, 281. 
Hureaulite, 191. 
Hyacinth, 259, 260, 284. 
Hyalite, 240. 
| Hyalomelan, 452. 
; Hyalophane, 276. 
Hyalosiderite, 255. 
Hyalotecite, 153.  ~ 
Hydrargillite, 194. 
Hycraulic limestone, 217, 431. 
Hydroboracite, 212. 
Hydrocarbons, 320. 
Hydrocerussite, 1538. 
Hydrochloric acid, 231. 
Hydrocyanite, 138. 
Hydrodolomite, 220. 
Hydrogen, 281. 
Hydromagnesite, 204, 207. 
Hydro-mica Group, 312. 
Hydromiea schist, 440. 
Hydrophane, 240. 
Hydrophite, 309. 
Hydrotalcite, 194. 
Hydrozincite, 157. 
Hypersthene, 244. 
Hypersthenyte, 450, 451. 
Hyperyte, 450. 
Iberite, 315. 
Ice, crystallization of, 4. 
Iceland spar, 215. 
Idocrase, 261. 
Idrialine, Idrialite, 324. 
Ihleite, 182. 
Ilmenite, 178. 
Ilvaite, 263. 
Inclusions, 428. 
Indianite, 275. 
Indicolite, 283. 
Infusorial earth, 241. 
Iodargyrite, 121. 
Iodide, Mercury, 129. 
Silver, 121. 
Todyrite, 121. 
