MINERALOGY. 465 



El^eolite. Litchfield, MaLue, analysis, F. W. Clarke, Am. J. Sc, xxxi, 262. 

 Embolitk. Discussion of composition, C. Welch, Chem. News, liv, 94, 162. 

 Emerald. See Beryl. 

 Emmonsite. Tombstone, Arizona, a new ferric tellurite, W. F. Hillcbrand, Proc CoL 



Sc. Soc.,ii, 20, 1885. 

 Emplectite. Kezbanya, occurrence, Krenner, and analysis by Loczka, Zs. Kr., xi, 



265. 

 Epidote. Nordmark, Sweden, crystals described, G. Flink, Bihang Vet. Akad. Handl., 



XII, 2, p. 46. 

 Euclase. Crystals from the Alps, described, Kocblin, Ann. Mus. Wien, i, 237. 

 EuDiALYTE. Discussion of chemical composition, Rammelsberg, Ber. Ak. Berlin, 1886, 



441; Zs. Geol. Ges., xxviii, 507. 

 Fayalite. Analysis of an artificial variety, E. Claasseu, Am. J. Sc, xxxi, 405. 

 Feldspar. Association of the different triclinic species in rocks, Breon, C. R., cm, 170. 

 In microscopic crystals in the Jnrrassic limestones of the Alps, Lory, C. R. , cm, 309. 

 Microclineand perthite structure investigated, Lehmauu, Schles. Ges. Nat.,Cultur, 



LXili, 92. 

 See Albite, Andesixe, Microcline, Orthoclase. 

 Fluorite. Hungary, occurrence, etc., Szabo, Zs. Kr., xr, 267. 

 Fluocerite. Osterby, Sweden, analyses and discussion of composition, WeibuU, 



Geol. For. Forh., viii, 496. 

 Forsterite. Baccano, crystallographic note, Strilver, Rend. Accad. Line, [4], il. 

 Gadolinite. Spectroscopic examination of rare elements, Crookes, Proc. Roy. Soc, 

 London, xli,502. 

 Devil's Hejfcl Mountain, Douglas County, Colorado, analysis, Eakins, Proc. Colo. 



Sc. Soc, II, 32. 

 Ytterby, discussion of the earths contained, Nordenskiold, Geol. For. Forh., 

 VIII, 442. 

 Galena. Twinning structure developed by pressure, Miigge, Jb. Min., i, 191. 

 Garnet. Tiriolo, Calabria, crystals with 5-^ (541), E. Scacchi, Att. Acccid. Line. [4], 

 II, 182. 

 Nathrop, Colorado, var. spessartite from lithophyses in rhyolite, occurrence, W. 



Cross, analysis by L. G. Eakins, Am. J. Sc, xxxi, 432. 

 Ourt, Belgium, analysis, Klement, Min. petr. Mitth., viii, 18. 

 Csiklova, analysis, Loczka, Zs. Kr., xi, 261. 



Lake Superior and Salida, Colorado, pseudomorphous cryfstals examined chem- 

 ically, S. L. Penfield and F. L. Sperry, Am. J. Sc, xxxii, 307. 

 Canzocoli, occu''rence described, Cathrein, Zs. Kr., xii, 35. 

 Breslau, occurrence of large crystals, Roemer, Zs. Geol. Ges., xxviii, 723. 

 Gersdorffite. Hungary, analyses of related minerals, Sipocz, Zs. Kr.,xi, 213,214. 

 Glauconite. Nature and method of formation, Giimbel, Ber. Ak. Miinchen, 417. 

 Glaucophane. Occurrence at different localities, Oebbeke, Zs. Kr., xii, 282; Zs. 

 Geol. Ges., xxviii, 634. 

 Japan, occurrence in rocks, B. Koto, Journ. Coll. Science, University, Tokyo. 

 Gold. California and Oregon, complex crystalline forms described, E. S. Dana, Am. 

 J. Sc, XXXII, 132; also Zs. Kr., xii, 275. 

 Voiospatak, analysis, Loczka, Zs. Kr., xi,261. 



Sand with garnet (demantoid), Hamadan, Media, Gehmacher, Ann. Mus. Wien, 

 I, 233. 

 GosLARiTE. Butte City, Montana, occurrence, Pearce, and analysis, Ilillebrand, 



Proc. Col. Sc. Soc, II, 12. 

 Gkunerite. Collobrieres, optical examinatioTi, Lacroix, Bull. Soc Min., ix, 40. 

 Gypsum. Crystallographic monograph, Des Cloizeaux, Bull. Soc. Min., ix, 175. 



Is. Giglio, crystals described, Busatti, Att. SocTo.sc., vii, 198. 

 Halite. Occurrence in the United States, G. F. Kuuz, Proc. Amer. Assoc. Adv. Sc, 

 229. 



H. Mis. 600 30 



