MINERALOGY. 705 



FiCHTELiTE. In crystals in a. peat bed at Salzenrleich, M. Schuster, Min. petr. Mitth. 



VII, 88. 

 Fluorite. Variation of refractive indices with boat, Dufo-t, Bull. Soc. Min., viii,257. 



Experiments on Elasticity, Voigt, Jabrb. Min., Beil.-Bd., iv, 236. 



On Vesnvian lava, E. Scacchi, Keud. Ace. Sc. Napoli, December. 

 Franklinite. Etching figures, F. Becke, Min. petr. Mittb., vii, 224. 



Gahxite. From Rowe, JRiss., analysis. A. G. Dana, Am. J. Sc, xxix, 455. 



Galenite. Formation artificially, Doelter, Zs. Kr., xi, 33, 41. 



Galenobismutite. Containing selenium, from Sweden, Weibull, Geol. For. Forh.," 



VII, 659; F. A. Genth, Am. Phil. Soc, Pbilad., Oct. 2. 

 Garnet. Various results of alteration, Catbrein, Zs. Kr., x, 433. 

 Gearksutite. Ivigtut, Greenland, analysis (Lindstrom), Nordenskiold, Geol. For. 



Forh.^ VII, 684. 



Gexthite. Found near Philadelphia, H. C. Lewis, Proc Acad. Nat. Sc Pbilad., p. 120. 



Gerhardtite. New basic cupric nitrate, from Arizona, H. L. Wells and S. L. Pen- 

 field, Am. J. Sc, XXX, 50. 



Glauconite. Chester County, Pennsylvania, analysis, Knerr and Schcenfeld, Am. 

 Ch. J., VI, 412. 



GoxniTE. Vicinal planes on crystals, from Cornwall, Palla, Z.s. Kr., xi, 23. 

 From Cbizeuil and Romanecbe, Lacroix, Bull. Soc. Miu., viii, 41. 



Graphitoid. Amorphous carbon from the schists of the Erzgebirge, Saner, Zs. geol. 

 Ges., xxxvii, 441. 



Gypsum. Crystallographic note, Cesaro, Bull. Soc. Min., viii, 317. 



Halite. Experiments on elasticity, Voigt, Jabrb. Min., Beil.-Bd., iv, 232. 

 Haxksite. New sulpbato-carbonate of sodium from California, W. E. Hidden, Am. 

 J. Sc.,xxx, 133; N. Y. Acad. Sc, iii, 238. 

 Crystal described and analyzed, E. S. Dana and S. L. Penfield, Am. J. Sc, 

 XXX, 136. 

 Haumotome. Scotland, twin crystals, Lacroix, Bull. Soc. Min., viii, 94, 



Twin crystals from Andreasberg, Kloos, Jabrb. Min., 1885, ii, 212, 

 Harrixgtoxite. Not a homogeneous mineral, but consisting of a gelatinous jiaste 

 inclosing crystals and fragments of several species, Lacroix, Bull. Soc Min., 

 viii, 96, 

 Hauerite. Formation artificially, Doelter, Zs. Kr., xi, 32. 

 Hemafibrite. Full description, Hj. Sjogren, Zs. Kr., X, 126. 



Hematostibiite. New mineral from Sweden, Igelstrom, Bull, Soc. Min., viii, 143. 

 Hematite. Artificial crystals, H. Vater, Zs. Kr., X, 391. 



Earthy variety artificially produced, Meunier, C. R., ci, 889. 

 IIerderite. Composition discussed, Des Cloizeaux and Damour, Bull. Soc Min., 



VIII, 3. 



Hkulajtdite. Lancaster County, Pa., analysis, Knerr and Schoenfeld, Am, Cb. J,, 

 VI, 413. 



Hisingerite (Manganhisingerite). From Wester Silfberg, Sweden, analysis, Wei- 

 bull, Min., petr. Mitth., VIX, 113, , 



II<)KXBLE>iDE. See Amphibole. 



Huli-ite. Examined microscopically, Lacroix, Bull. Soc. Min., a'iii, 432. 



IIvDROCERUSSiTE. Occurrence in Scotland, Lacroix, Bull. Soc. Min., viii, 35, 



Hydrogiobertite. New bydrated carbonate of magnesium, E. Scacchi, Rend. Ace. 

 Sc. Napoli, December. 



Hypersthene. Crystals of rhombic pyroxene firom Mdlnfis, Transylvania, Schmidt, 

 Zs. Kr., X, 210. 



Ice. Elasticity measured, K, R. Koch, Wied. Ann., xxv, 438. 

 Idrogiobertite. See Hydrogiobertite, 

 H. Mis. lo 45 



