GENERAL INDEX. 467 
Microcline, 278. 
Microlite, 202, 214. 
Microlites, 416, fig. 6. 
Microsommite, 270. 
Middletonite, 325. 
_Milarite, 252. 
Millerite, 164. 
Millstone grit, 426. 
Mimetene, Mimetite, 46, 152. 
Mineral coal, 327. 
oil, 821. 
pitch, 326. 
Minette, 441. 
Minium, 149. 
Mirapbilite, 41, 226. 
Misenite, 227. 
Mispickel, 175. 
Mizzonite, 269. 
Mocha stone, 236. 
Molybdate, Lead, 151. 
Molybdenite, 96. 
Molybdite, 97. 
Monazite, 41, 203. 
Monimolite, 152. 
Monradite, 295. 
Montanite, 102. 
Monticellite, 256. 
Montmartite, ». Gypsum. 
Montmorillonite, 307. 
Montronite, 307. 
Moonstone, 277, 279. 
Mordenite, 304. 
Morenosite, 168. 
Mosandrite, 263. 
Moss agate, 236. 
Mottramite, i189. 
Mountain cork, 250. 
leather, 250. 
tallow, 324. 
Muller’s glass, 240. 
Mundic, 174. 
Muntz metal, 144. 
Muriatic acid, 231. 
Muromontite, 263. 
Muscovite, 267. 
Muscovy glass, 268. 
Miisenite, v. Siegenite. 
Nadorite, 152. 
Nagyagite, 116, 149. 
Naphtha, d21. 
Naphthaline, 324. 
Natroborocalcite, 212. 
Natrolite, 299. 
Natron, 229. 
Naumannite, 118. 
Needle ore, ». Aikinite. 
Neft-gil, 324. 
Nemalite, 204 
Neotocite, 316. 
Nepheline-doleryte, 452. 
Nephelinyte, 452. 
Nephelite, Nepheline, 269. 
Nephrite, 250. 
Newjanskite, 127. 
Niccolite, 166. 
Nickel glance, v. Gersdorffite. 
Nickel-gymuite, 309. 
Nickel, Ores of, 164. 
stibine, 166. 
Nigrine, 162. 
Niobite, v. Columbite. 
Niobium, Compounds of, 184. 
Nitrate, Calcium, 214. 
Potassium, 228, 
Sodium, 229. 
Nitratine, 229. 
Nitre, 228. 
Nitrocalcite, 214. 


| Nitromagnesite, 206. 
Nohlite, 202. 
Noryte, 450. 
Nosean, Nosite, 270. 
Noumeite, 168. 
Novaculyte, 486, 453. 
Nuttalite, 269. 
Ochre, Red, 167, 176. 
Yellow, 181. 
Octahedrite, 163. 
(Hllacherite, 314. 
(Erstedite, 260. 
Ogcoite, 319. 
Okenite, 293. 
Oligoclase, 44, 276. 
Olivenite, 139. 
Olivine, 255. 
Onyx, 236. 
Odlite, 216. 
Opal, 239. 
Opal, Jasper, 240. 
Ophiolite, 308. 
Ophiolyte, 454. 
Ophite, 447. 
Orangite, 296. 
Orpiment, 99. 
