MINERALOGY. TOf) 



FiciiTELiTE. In crystals in u j)eatl)ed at Salzeudeicb, M. Sclnister, Min. pelr. Mittli. 



VII, 88. 

 Fluorite. Variation of refractivo indices -witli beat, Dut'ct, Bull. Soc. Min., viii, 257. 



Experiments on Elasticity, Voii];t, Jahrb. Min., Beil.-Bd., iv, 23(5. 



On Vesuvian lava, E. Scaccbi, Rend. Ace. Sc. Napoli, December. 

 FRANKLiiaTE. Etcliing figures, F. Becke, Min. petr. Mittb., vii, 224. 



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



Galenite. Formation artificially, Doelter, Zs. Kr., xi, 3;?, 41. 



Galenobismutite. Containing selenium, from Sweden, Weibnll, Geol. For. Forh., 



VII, G59; F. A, Geutb, Am. Pbil. Soc, Pbilad., Oct, 2. 

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

 Ge.\rksutite. Ivigtut, Greenland, analysis (Lindstrom), Nordenskiijld, Geol. For. 



Forh., VII, 684. 

 Gkxthite. Found near Pbiladelpbia,H. C. Lewis, Proc. Acad. Nat. Sc. Pbilad., p. 120. 

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



fieJd, Am. J. Sc, xxx, 50. 

 Glai'CONITE. Chester County, Pennsylvania, analysis, Kuerr and Schoenfeld, Am. 



Ch. J,, VI, 412. 

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



From Chizeuil and Romanfeche, Lacroix, Bull. Soc. Min., viii, 41. 

 (JRAPHITOID. Amorphous carbon from the schists of the Erzgebirge, Sauer, Zs. geol. 



Ges., xxxvii, 441. 

 (iYi'SUM. Crystallographic note, Cesaro, Bull. Soc. Min., viii, 317. 



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

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



J. Sc.,xxx, 133; N. Y. Acad. 3c, iii, 238. 

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



xxx, 136. 

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



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

 Harringtonite. Not a homogeneous mineral, but consisting of a gelatinous paste 



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, Igelstnim, Bull. Soc. Min., viii, 143. 

 Hematite. Artificial crystals, IL Vater, Zs. Kr., x, 391. 



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

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



VIII, 3. 



Heulandite. Lancaster County, Pa., analy.sis, Knerr and Schoenfeld, Am, Cb. .7., 

 VI, 413. 



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

 bull, Min., petr, Mittb., vii, 113. 



HoRNBLE>?DE. See Ampiiibole. 



Hi'LEiTE. Examined microscopically, Lacroix, Bull. Soc. Min., viii, 432. 



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



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

 Sc. Napoli, December, 



IIyperstiiene, Crystals of rhombic pyroxene from Miilniis, Transylvania, Schmidt, 

 Zs. Kr., X, 210. 



Ice. Elasticity measured, K. R. Koch, Wied. Ann., xxrv, 4:i8. 

 Idrogiobertite. See Htdrogiobertite, 

 U. ,AIis. 15-^—45 



