GENERAL 
Ullmannite, 166. 
Ultramarine, 270. 
Unakyte, 446. 
Unghwarite, 307. 
Unionite, v. Zoisite. 
Uraconise, Uraconite, 171. 
Uralite, 247. 
Uranin, Uraninite, 169. 
Uranite, 170. 
Uranium, Ores of, 169. 
Uranmica, 170. 
Uranochalcite, 171. 
Uranocircite, 171. 
Uranospinite, 170. 
Uranotantalite, 170. 
Uranvitriol, 1/1. 
Urpethite, 324. 
Valentinite, 101. 
Vanadate, Copper, 139. 
Lead, 152. 
Vanadinite, 152. 
Variolyte, 449. 
Variscite, 200. 
Vauquelinite, 151. 
Velvet copper ore, 188. 
Venerite, 319. 
Venice white, 221. 
Verd-antique, 308, 454. 
Oriental, 415. 
Verde di Corsica duro, 449, 
Vermiculite, 317. 
Vermilion, 129. 
Vesuvianite, 261. 
Veszelyte, 139. 
Villarsite, 296. 
Viridite, 317. 
Vitreous copper, 182. 
silver, 117. 
Vitriol, Blue, 187. 
Green, 182. 
Tron, 182. 
White, 156. 
Vivianite, 184. 
Voglianite, 171. 
Voglite, 171. 
Volborthite, 139. 
Volknerite, 194. 
Voltaite, 182. 
Voltzite, 155. 
Vorhauserite, 308. 
Vulpinite, 212. 


INDEX. 473 
Wacke, 428. 
Wad, 190. 
Waenerite, 206. 
Walchowite, 325. 
Walpurgite, 171. 
Warringtonite, v. Brochantite. 
Warwickite, 206. 
Washingtonite, 178. 
Water, 4, 231. 
Wavellite, 201. 
Websterite, 199. 
Webrlite, 102. 
Wernerite, 268. 
Westanite, v. Fibrolite. 
Wheel-ore, 136. 
Whetstone, 436, 458. 
White vitriol, 156.- 
arsenic, 99. 
Whitneyite, 135. 
Wichtine, Wichtisite, 252. 
Willcoxite, 320. 
Willemite, 157, 256. 
Williamsite, 308. 
Wilsonite, 312. 
Winkworthite, v. Howlite. 
Witherite, 221. 
Wittichenite — Cu;BiS8,. 
Wittingite, 316. 
Wohlerite, 256, 260. 
Wolfram, Wolframite, 188. 
Wollastonite, 244. 
Wollongongite, 326. 
Wood-opal, 240. 
Wood tin, 160. 
Woodwardite, near Cyantrochite. 
Wulfenite, 151. 
Wurtzite, 155. 
Xanthophylilite, 320. 
Xanthosiderite, 182. 
Xenotime, 203. 
Xylotine, 295. 
Yenite, 263. 
Youngite, 155. 
Ytter-garnet, 258. 
Yttrium ores, 201. 
Yttrocerite, 201. 
Yttroilmenite, 170. 
Yttrotantalite, 202. 
| Zafire, 168. 
