INDEX. 



Triplite, 249, 260. 

 Tripoli, 370. 

 Trona, 103. 

 Troostite, 273. 

 Tsehefkinite, 209. 

 Tuesite, 371. 

 Tufa, 363. 



Calcareous, 116. 

 Tungstate of iron, 244. 



lead, 285. 



hme, 219. 

 TUNGSTEN, 218. 

 Tungsten, Calcareous, 219. 



Ferruginous, 244, ("Wolfram.) 

 Tungstic ocher, 218. 

 Turquois, 130. 

 Type metal, 304. 



U. 



Ultramarine, 196. 



Uranite, 228. 



Uran-mica, 228, (Uranite.) 



Uranium ores, 228. 



Uran ocher, 228. 



Uranium, Phosphate of, 229. 



Oxyd of, 228. 



Sulphate of, 229. 

 Uranium ore, Pitchy, 228. 

 Urano-tantalite, 229. 

 Uran- vitriol, 229. 

 Jrao, 103, (Trona.) 



V. 



Vanadate of lead, 285. 



of lime, 219. 



of copper, 302. 

 Yanadinite, 285. 

 VANADIUM, 219. 

 Variegated copper ore, 294. 

 Vauquelinite, 285. 

 Velvet copper ore, 302. 

 Verd antique, 146. 



Oriental, 356. 

 Vermiculite, 149. 

 Vermillion, 288. 

 Vesuvian, 184. 

 Villarsite, 149. 

 Violan, 182. 

 Vitreous copper ore, 292. 



silver ore, 325. 

 Vitriol, Blue, 297. 



Cobalt, 268. 



Vitriol, Green, 246 



White, 271. 

 Vivianite, 248. 

 Volcanic ashes, 367. 



glass, 357. 



scoria, 357. 

 Voltaite, 247 

 Voltzite, 271. 

 Vulpinite, 114. 



W. 

 Wacke, 355. 

 Wad, 260. 

 Wagnerite, 127. 

 Washingtonite, 241. 

 Warwickite, 212. 

 Water, 78. 



Mineral, 80. 



Sea, 79. 



Dead Sea, 79. 

 Wavellite, 13a 

 Websterite, 129. 

 Weissite, 182. 

 Wernerite, 181. 

 Whetstone, 358, 359. 

 White antimony, 224. 



arsenic, 226. 



iron pyrites, 233. 



lead ore, 281. 



tellurium, 323, (AurotellDt* 

 rite.) 



vitriol, 271 

 Wichtine, 182. 

 Willemite, 273. 



Wismuth, German for Bismutn. 

 Withamite, 182, (Epidote.) 

 Witherite, 109. 

 Wcerthite. 173. 

 Wohlerite, 202. 



Wolchonskoite, 262. ' , 



Wolfram, 244. 



Wollastonite, 141, (Tabular spar.) 

 Wood, Silicified, 138. 

 Wood opal, 140. 

 Wood tin, 214. 



X. 



Xanthite, 184. 

 Xanthocone, 827. 

 Xanthophyllite, 149. 

 Xenotime, 208. 

 Xylite, 245 



