462 R2C0RD OF SCIENCE FOR 1886 



AiWPHlBOLE. Mout Dore, crystals described, Oebbeke, Zs. Kr., xi, 368, 



Franklin Furnace, New Jersey, variety containing manganese and zinc, Kloos, 

 Jb. Miu., I, 211. 

 Anhydrite. Influence of pressure on formation, G. Spezia, Ace. Soc. Torino, xxi, 



June 20. 

 Analcite. Transylvania, analyses, Medgyesy, Zs. Kr., xi, 2G3. 

 Andalusite. Yav.chiastolite, microscopic and chemical investigation, Miiller, Inaug.- 



Diss., Berlin, 188G. 

 Andesine. Sardinia, crystals described, vom Rath, Ver. nat. Cassel, Festschrift. 

 Anglesite. Portugal, crystals described, R. H. Solly, Min. Mag., vii, 61. 

 Monte Poni, indices of refraction measured, Ramsay, Zs. Kr., xii, 217. 

 Annite. Cape Ann, Massachusetts, analysis (Riggs), and discussion of composition, 



F. W. Clarke, Am. J. Sc, xxxii, 359. 

 AxTiiOPHYLLiTR. Scotland, optical examination, Lacroix, Bull. Soc. Min., ix, 7. 

 Aniiiracite. Discussion of classification and composition, C. A. Ashburner, Amer. 



Inst. Miu. Engineers. 

 Antimony. Twinning structure developed by pressure, Miigge, Jb. Min., i, 183. 

 Apatite. Nordmark, Sweden, crystals described, G. Fliuk, Bihang Vet. Akad. Handl., 

 xir, 2, 42. 

 Experiments on elasticity, Vater, Zs. Kr., xi, 581. 

 Mode of occurrence m Canada, Bell, Proc. Can. Inst. [3], in, 294. 

 Var. francolifp, St. Just, Cornwall, occurrence, R. H. Solly, Min. Mag., vii, 57. 



Analysis, Robinson, id., 59. 

 Var. mantjanapatite from Vestana, composition discussed, Weibull, Geol. For. 

 Forh., VIII, 492. 

 Apiirosiderite. Lake Suiierior and Salida, Colorado, pseudomorph after garnet, S. 



L. Penlield and F. L. Sperry, Am. J. Sc, xxxii, 307. 

 Aragonite. Hungary, crystals described, A. Schmidt, Zs. Kr., xii. 107. 

 Etching figures, Ebner, Ber, Ak. Wien, xci, 760, 1885. 

 Altered to calcite, Bauer, Jb. Min., i, 62. 

 Argyrodite. Freiberg, new mineral described, Weisbach, Jb. Berg- Iliitt., and Jb. 



Min., II, 67. 

 Arksutite. Ivigtut, Greenland, composition, etc., Nordenskiuld, Geol. For. Forh., 



VIII, 172. 

 Arnimite. Plauitz, now mineral described, Weisbach, Jb. Berg- Hiitt. 1886. 

 Arsenic. Cliili, the form arsenolamprite, Hintze, Zs. Kr., xi, 606. 



ValTelliua, occurrence described, Bizarri and Campani, Zs. Kr., xii, 194. 

 Arsexiosiderite. Romanciche, optical properties, Lacroix, Bull. Soc. Min., ix, 3. 

 Arsenolamprite. Chili, a modified form of metallic arsenic, Hintze, Zs. Kr., xi, 606, 

 Arsenopyrite. Hungary, crj^stals described, A. Schmidt, Zs. Kr., xii, 1 2, 115, 116, 



Analysis, Loczka, Zs. Kr., xi, 268. 

 AxiNiTE. Belstone, Devon, England, crystals described, Solly, Min. Mag., vi, 203. 

 AzoRiTE. St. Miguel, possible identity with zircon, Hubbard, Ber. nied. Ges. Bonn, 



June 7. 

 AzoRPYRRiriTE. Possible occurrence in lava of Laacher See, Germany, Hubbard, Box. 



nied. Ges. Bonn, June 7. 

 AzuRiTE. Diana mine. Mono County, California, crystals described, A. W. Jackson, 



Proc. Cal. Acad. Sc, No. 4, p. 371. 

 Barite. Hungary, crystals described, A. Schmidt, Zs. Kr., xii, 105, 111, 



Vernasca, crystals described, Sansoui, Mem. Accad. Bologna [4], vi; and Zs. Kr., 



XI, 355. 

 Caprillone, crystals described and analysis, Busatti, Att. Soc. Tosc, vii, 191. 

 Addiewell, Midlothian, crystals described, with catalogue of planes, Trechmann, 



Min. Mag., vii, 49. 

 Transylvania, occurrence, Benko, Zs. Kr., xi, 263. 



