702 SCIENTIFIC RECORD FOR 1885. 



Brief refercnccH to papers upon mineral species: 1885. 



Alabanditk. Formation artiticially, Doelter, Zs. Kr., xi, 32. 



Alaskaite. Ouray County, Colo., analysis, G. A. Koenig, Am. Phil. Soc. PJiiliid. 



XXII, 211. 

 Albite. Finland, containiuo: Pa Os, G. Lindstrom, Geol. For. Forh., vii, 681. 

 Allaktite. Full description, Hj. Sjogren, Zs. Kr., X, 114. 



Optical examination, Krenuer, Zs. Kr., x, 83. , 



Ali-ANITE. An accessory constituent of many rocks, J. P. Iddings and W. Cross, Am. 

 J. Sc, XXX, 108. 

 Nelson County, Va., analysis, Memmiuger, Am. Ch. J., vii, 177; analysis of de- 

 composition ijroduct (Kaolinite), Valentine, ib., 178. 

 Var. ortliite, crystals from Thuringia, Luedecke, Zs. Kr., X, 187. 

 Amphibole. Crystals described from Riveau Grand (Mont Dor6), Oebbeke, Bull. 

 Soc. Min., VIII, 46. 

 Saint La\vrence County, N. Y., crystals with (170) (150), 0. H. Williams, Jahrb. 



Min., 1885, ii, 175. 

 Twin crystals in rocks, Fr. Becke, Min. petr. Mitth., vii, 98. 

 Analysis of a fibrous bisilicate from Nelson County, Va., Patterson, Am. Cb. J., 



VII, 180. 

 Enlargement of fragments in rocks, C. R. VanHise, Am. J. Sc, xxx, 231. 

 Fusion experiments, Becker, Zs. geol. Ges., xxxvii, 10. 

 Anatase. See Octahedrite. 



Analcite. Composite crystals from Lake Superior Copper Region, S. L. Penfield, 

 Am. J. Sc, XXX, 112. 

 From Stempel near Marburg, optical examination, Stadtliinder, Jabrb. Min., 18H.5, 



II, 97. 

 Study of anomalous double refraction, A. Ben-Saude, Comm. Socc Trab. Geol., 

 Portugal, I, 15. Pseudomorph after leucite, Sauer, Zs. geol. Ges., xxxvii, 

 453. 

 Anhydrite. Crystals from Stassfurt, H. Vater, Zs. Kr., x, 390. 

 ANTiMOJfT. Occurrence native in York County, New Brunswick, G. F. Kunz, Am. J. 



Sc, xxx, 275, 

 Ankehite. Antwerp, N. Y., analysis, Genth, Am. Phil. Soc. Philad., October 2. 

 Annabergite. Silver Cliff, Colorado, Genth, Am. Phil, Soc. Philad., Oct. 2. 

 Apatite. Altered to kallaite (turquois), G. Sj. Moore and V. von Zepharovich, Zs. 

 Kr., X, 240. 

 Zwiesel, Bavaria, variety containing 3 p. c MuO, Sandberger, Jahrb. Min., 1885, 

 I, 171. 

 Apophyllite. Etching figures, Rinne, Jahrb, Min,, 1885, ii, 19. 



Chester County, Pa., analysis, Knerr and Schoenfeld, Am. Ch. J., vi, 413. 

 Arfvedsonite. Relation to crocidolite discussed, Kenngott, Jahrb. Min., 1885, ii, 163. 

 Argentobismutite. Lake City, Colorado, analysis, Genth, Am. Phil. Soc. Philad., 



Oct. 2. 

 Arsenopyrite. Alabama, analysis, Genth, Am. Phil. Soc. Philad., Oct. 2. 



Dauphiny, analysis, Groth, Ber. Ak. Miinchen, Nov. 7, p. 383. 

 Aurichalcite. Laurium, Greece, analysis, Jannettaz, Bull. Soc. Min., viii, 43. 



Occurrence in Arizona, G. F. Kunz, N. Y. Acad. Sc, p. 278, Oct. 5. 

 Avalite. New silicate of aluminum and chromium, Losanitsch, Jahrb. Min., 1885, ii, 



409 ref. (Ber. deutsch. cheni. Ges., xvii, 1774.) 

 Axinite. Occurrence in Dauphiny, Groth, Ber. Ak, Miinchen, Nov. 7, p, 389, 

 AzuRiTE. Clifton, Arizona, crystals described, O. W. Huntington, Proc Anier. Acad. 

 Sc, June 10, 1885. Occurrence in Arizona, G. F. Kunz, N. Y. Acad, Sc, Oct. 

 5, p, 276. 



