35] 



VOLUMES XXXI-XT. 



711 



MINERALS. 



31, 25; 33. 49b 43 l >. 564. Nickel 

 . 121. 



tahedrite, 31, 555. Okenite, 



California. 37, 266. Oil 

 clase. aventurine, 40, 384. 

 Olivine. 39, 176. Ortho 



and microcline. supposed 

 chemical distinction. 31, 

 Palaite. 35, 464. Parisite. M 



31. 533i 34. 400. Pascoite, 

 Peru. 40, 90. Pearceite, Mex- 

 ico. 31, 518; Composition. 32, 

 40. Periclase. formation. 37, 

 487. Pintadoite, Utah. 40, 90. 

 Pisanite. 37, 40. 



Platinum oi the United States. 

 38. 508: of the Ural. 34, 306. 

 Plattnerite. Idaho. 36, 427. 

 Plumbojarosite, Utah. 32, 422. 

 Plumboniobite. 35, 463. Pol- 

 lucite. 40, 514. Polybasite. 



32, 40. Preslite-Tsumebite. 

 35, 463. Proustite, Mexico. 

 35, 26. Pyrite. composition, 

 etc.. 33, 170. 218: formation. 

 38, 371, 304: Joplin. 38, 355. 



Pyromorphite, crystal forms, 32, 

 114. Pyroxere. 39, 177. Py- 

 roxmangite. So. Carolina. 

 new. 36. 169. Pyrrhotite. 

 composition, etc.. 33, 193. 222; 

 New York. 32, 156. 

 Quartz. 36, 334. 349. etc.; den- 

 of. 37, 15. Japanese, 

 etched figures, 39, 455. North 

 Carolina. 34, 414. 

 Rhodonite. New Jersey, 32, 289. 

 Riebeckite, 31, 547. Roscoe- 

 lite. California. 38, 305. Ru- 

 tile. Quebec. 33, 263; Vir- 

 ginia. 32, 195 

 Samiresite. 35, 462. Sapphire. 

 • thetic. 31, T47. Sapphirine. 

 Quebec. 33, 263. Scapolitc. 

 Quebec. 38, 37. Searlesite, 

 Cal.. 38, 437- Sheridanite. 

 Wyomil 34, 475- Sili- 



cates, constitution of salic, 34, 

 -:llimanite. with n 

 23, 24T. Silver, native. 

 Columbia. Mo., 40, 219. 

 Skemmatiu S r lina. 



new, 36, 160. Spangolite. 38, 

 artificial. 35, 

 isartite 40, 37. 

 ziaite. 40, pnalerite, 



S I * i 

 nel, 39. .:. 



MINERALS. 



melting- point. 33, 409. Stau- 

 rolite. Tenn.. 37, 40. Stibio- 

 tantalite, Calif., 32, 287. Stib- 

 uite, pseudomorphs, 34, 184. 

 Stichtite, Tasmania, 32, 167. 

 Struverite, 31, 432. 577. Sul- 

 phohalite, Cal.. 38, 273. Syn- 

 chisite, 34, 490. 

 Temiskamite, 37, 170. Thauxn- 

 asite. New Jersey, 39, 134; 

 Utah, 31, 131. Thorite. I 

 Ion, 39, 601. Thorveitite, 

 Norway. 33, 294. Tridymite, 

 36, 334. 343; 39, 182. 417; for- 

 mation. 38, 207. Triplite, Ne- 

 vada. 36, 51. Troilite, rela- 

 tion to pyrrhotite, 33, 212. 

 Turquoise, 40, 220; crystal- 

 lized. Virginia. 33, 35. 

 Uhligite, 35, 463. Uraninite, 

 East Africa, 33, 67. Ussin- 

 gite, Greenland, 40, 89. Utah- 

 ite, 32, 360. Uvanite, Utah, 

 40, 90. Uvarovite, 40, 37. 

 Vanadic acid, supposed, 39, 404. 

 Villiaumite. 33, 69. Vcelck- 

 erite. 33, 475. Vrbaite. 35, 

 463. 

 \\ ilkeite, California, 37, 262. 

 Willemite, crystallization, 36, 

 639. Wulfenite, 31, 557. 

 \Yurtzite, formation, etc.. 34, 

 343: 38, 412; Utah, 32, 420. 

 Yttrofluorite, Norway, 33, 293. 



Yukonite. 37, 360. 

 Zincite. crystals. 31, 464. Zir- 

 cons, color of, 37, 275. 

 Mines, Department of, Canada, 

 publications. 31, 57=,; 33, 289; 

 34, 487: 35, 55o: 36, 70; 37, 

 3^2: 38, 102; 40, ^7. See also 

 Geol. Reports. 



New Zealand, 36, 81. 37, 



561. 



South Africa. 37, 354- 



— United States Bureau of. an- 

 nual report-, first. 34, 305; sec- 

 ond, 35, 330: third. 37, 351: 

 fourth. 39, 224: publications, 

 31, 236; 33, 63; 34, 48s; 35. 

 33i: 36, 78: 38, 102; 39, 224; 

 40, 87. 

 Mining Practice, William-. 38, 



Mining World Tndcx. Vol. TT. 36, 



Vol. HI. 36. " r >: V<-1. V. 



38. I. VI, 39. 685; Vol. 



VI T. 40, 670. 



