704 SCIENTIFIC RECORD FOR 1885. 



COLEMANlTE. Crvstallograpbic description, A. W. Jacksou, Bull. Cal. Acad. Sc, No. 



2; Hiortdahl, Zs. Kr., x, 25; also Arzruni, ib., p. 272. 

 Description, crystallograpliic, vom Rath, and chemical, Bodewig, Zs. Kr., x, 179. 

 Essentially identical in composition with price! te and pandermite, Kenngott 



Jahrb. Min., 1885, i, 241. 

 COLQMBITE. Crystal from Craveggia, Italy, Zs. Kr., x, 8.') ; Rend. Ace. Line, IV, i, 8 

 CONNELLITE. Recently found in Cornwall, Semmons, Min. Mag., vi, KiO; Miers, ib 



167; Trechmann, ib., 171. 

 CoRUNDOPniLiTK. Analysis of related mineral from Albemarle County, Va., M 



Bird, Am. Ch. J., vii, 181. 

 Corundum. Optical behavior and micro-structure, A. von Lasauls, Zs. Kr., X, 346 



asteriated variety, Baret, Bull. Soc. Min., vii, 438. 

 COSALITE. Ouray County, Colo., analysis, G. A. Koenig, Am. Phil. Soc. Phila., xxn, 



211 ; F. A. Genth, ib., Oct. 2. 

 CovELLiTE. Formation artificially, Doelter, Zs. Kr., xi, 34. 

 Crocydolite. Composition discussed, relation to arfvedsonite, Kenngott, Jahrb. 



Min., 1885, ii, 163. 

 Cryolite. Etching experiments, Baumhauer, Zs. Kr., xi, 133. 

 Cuprite. Found near Philadelphia, fl. C. Lewis, Proc. Acad. Nat. Sc. Philad., 120; 



occurrence in Arizona, G. F. Kunz, N. Y. Acad. Sc, p. 279, Oct. 5. 



Damourite. Stoneham, Me., analysis, F. W. Clarke, Am, J. Sc, xxix, 379. 

 Datolite. Casarza, Liguria, crystals described, Liidecke, Zs. gesammt. Nat., lviii. 

 Crystals from the Hirschkopf near Manebach, Liidecke, Zs. Kr., x, 196. 

 Analysis, Molinari, Bull. Com. Geol. d'ltalia, vi, 180. 

 Variety botryolite, optical properties, Lacroix, Bull. Soc. Min., viii, 433. 

 Delvauxite. Pseudomorph after gypsum, Vis^, Belgium, G. Ces^ro, Ann. Soc. 



Geol. Belg., xii, 192. 

 Descloizite. New Mexico, eryst. and chem. examination, F. A. Genth and G. vom 



Rath, Zs. Kr., x, 464: Am, Phil. Soc. Philad., April 17. 

 Destinezite. Analysis, and shown to be horaoeomorphous with gyi)sum, G. Ces^ro, 



Ann. Soc Geol. Belg., xii, 173. 

 Diamond. Brazil, minerals of diamond washings, O. A. Derby, Am. J. Sc, xxix, 70. 

 Occurrence in South Africa described in detail, A. Moulle, Ann. Min., VIII, Vll, 



193. 

 Composite crystals from South Africa, Jannettaz, Bull. Soc. Min., viii, 42. 

 Observations on hardness of " bort," G. F. Kunz, Am. J. Sc, xxx, 81. 

 Diadelphite. Full description, Hj. Sjogren, Zs. Kf., x, 130. 

 DioPSiDE. See Pyroxene. 

 Dreelite. Relation to barite, Lacroix. Bull. Soc. Min., viii, 435. 



Enargite. From Butte, Montana, Semmons, Min. Mag., vi, 49, 124. 



Endlichite. An arsenio-vanadate of lead. New Mexico, F. A. Genth and G. vom 



Rath, Zs. Kr., x, 462; Am. Phil. Soc, Phil., April 17. 

 Enstatite. Twin crystals (bronzite) in rocks, Fr. Becke, Min. petr. Mitth., vii, 93. 

 Epidote, Rowe, Mass., analysis, A.G.Dana, Am. J. Sc, xxix, 455. 



Pargas, Finland, analysis, F. J. Wiik, Finsk. Vet. Soc, xxvii; occurrence in 



Dauphiny, Groth, Ber. Ak. Miinchen, Nov. 7, p. 389. 

 Erythrite. Found near Philadelphia, H. C. Lewis, Proc. Acad. Nat. Sc. Philad., 



1885, p. 120 ; occurrence in Nevada and California, W. P. Blake, Am. J. Sc, xxx, 



163. 



Fairfieldite. Found at Eabenstein, Bavaria (Leucomanganite), Sandberger, Jahrb. 



Min., 1885, i, 185. 

 Fayajlite. Crystals described from the Yellowstone Park, also analysis, J. P. Id- 

 dings and S. L. Penfield, Am. J. Sc, xxx, 58. 

 Probable occurrence in Colorado, W. E. Hidden, Am. J. Sc, xxix, 250. 



