Bismutoferrite, 256. 
Bitter spar, v. Dolomite. 
Bitumen, 326. 
Elastic, a24, 
Bituminous coal, 827. 
Bituminous shale, 428. 
Black cobalt, 167. 
copper, 187. - 
jack, 155. 
lead, 107. 
silver, 119. 
Blende, 154. ° 
Blédite, 206, 227. 
Blomstraudite, 170. 
Bloodstone, 237. 
Blue iron earth, 185. 
copper, 135. 
vitriol, 187. 
Bodenite, 263. 
Bog iron ore, 181. 
manganese, 190. 
Bole, Halloysite, 312. 
Boltonite, 256. 
Boracic acid, 97. 
Boracite, 206. 
Borate, Ammonium, 231. 
Calcium, 212. 
Hydrogen, 98. 
Tron, 182. 
Magnesium, 206. 
Sodium, 212, 227. 
Borax, 227. 
Bornite, 134. 
Borocalcite, 212. 
Boronatrocalcite, 212. 
Boron group, 97. 
Bort, 103. 
Bosjemanite, 198. 
Botryogen, 182. 
Botryolite, 289. 
Boulangerite, 149. 
Bournonite, 136. 
Boussingaultite, 231. 
Bowenite, 309. 
Bragite, 260. 
Branchite, 324. 
Brandisite, 330. 
Brass, composition of, 144. 
Braunite, 189. 
Bravaisite, 302. 
Breccia, 426. 
Bredbergite, 258. 
Breislakite, o. Pyroxene. 


GLNERAL INDEX. 459 
Breithauptite, 166. 
Breunerite = Ferriferous Magne- 
site. 
Brewsterite, 304. 
Brittle silver ore, 119. 
Brochantite, 138. 
Bromargyrite, 121. 
Bromic silver, 121. 
Bromlite, 222. 
Bromyrite, 121. 
Brongniardite, 120, 149. 
Bronze, 144. 
Bronzite, 244. 
Brookite, 168. 
Brown coal, 327. 
hematite, 181. 
iron ore, 181. 
ochre, 181. 
spar, 219. 
stone, 427. 
Brucite, 204. 
Brushite, 214. 
Bucholzite, 285. 
Bucklandite, 262. 
Buhrstone, 437. 
Buratite, 141, 157.. 
Cacholong, 240. 
Cacoxenite, Cacoxene, 185. 
Cadmium, Ores of, 159. 
Cairngorm stone, 235. 
Caking coal, 327. 
Calaite, v. Callaite. 
Calamine, 157, 296. 
| Calaverite, 115. 
Calcite, 49, 50, 215. 
Calcium, Compounds of, 207. 
Cale spar, 215. 
Caledonite, 149. 
Callainite, 200. 
Callais, Callaite, 200. 
Calomel, 129. 
Canaanite— White Pyroxene, 245. 
Cancrinite, 270. 
Cannel coal, 327. 
Cantonite, near Covellite, 183. 
Caoutchouc, Mineral, 324. 
Capillary pyrites, 164. 
Carbonaceous shale, 428. 
Carbonado, 103. 
Carbonate, Ammonium, 231. 
Barium, 221. 
Calcium, 215, 218, 219. 
