Geology and Mineralogy. 569 



Geraesite. O. C. Farrington, Geo!. Soc. Am., Bull, xxiii, 

 728, 1912. A hydrous barium-aluminium phosphate, more acidic 

 than gorceixite. From the favas of Brazil. 



Grossouvreite. A. Laoroix, Min. de la France, v, 50, 1913. — 

 A pulverulent opal from Vierzon, France. 



Heliodor. O. Hauser and H. Herzfeld, Chem. Zeit., xxxviii, 

 694, 1914. — A name given to a yellow variety of beryl found in 

 Southwest Africa and used as a gem stone. 



Holmquistit'e. A. Osann, Sitzb. Ak. Heidelberg, 1913, 23, 

 Abhlg. — A name given to a lithium-bearing glaucophane from 

 the Island of Uto. Named in honor of Prof. P. T. Holmquist of 

 Stockholm. 



Kalbaite. W. Vernadsky, Zs. Kr., liii, 283, 1913.— See under 

 Elbaite. 



Klllidaite. B. Doss, Centralbl. Min., 613, 1914.— Variety of 

 grahamite from Kunda, Esthonia. 



Lecliatelierite. A. Lacroix, Bull. Soc. Min., xxxviii, 182, 

 1915. — Name given to the natural occurrences of fused quartz. 

 Named in honor of Prof. Henri Le Chatelier. 



Metatorfoernite. A. F. Hallimond, Min. Mag., xvii, 333, 1916. 

 — Synonym for metakupferuranite. 



Miliasite. — O. C. Farrington, Geol. Soc. Am., Bull, xxiii, 728, 

 1912. — A hydrous aluminium phosphate from the favas of Brazil. 



Natromoiltebrasite. F. Gonnard, Bull. Soc. Min., xxxvi, 

 120, 1913. — Same as natramblygonite or fremontite. 



Paretlrite. O. C. Farrington, this Journal, xli, 355, 1916.— 

 Name proposed for a " fava " from Minas Geraes, Brazil, which 

 is composed of TiO„ with a little water. Infus. but turns dark 

 on heating. G. = 2 1*9 7-4 '08. Name derived from irapeSpos, an 

 associate. 



Scherilikite. D. S. Martin, Ann. N. Y. Ac. Sc, xxi, 189, 

 1912. — Name proposed for the fibrous prismatic pink variety of 

 muscovite occurring at Haddarn Neck, Conn. After Mr. Ernest 

 Schernikow of New York City. 



StifoioMsniutllillite. G. A. Koenig, J. Ac. Sc, Philadelphia, 

 xv, 405, 1912. — A sulphide of bismuth and antimony (Bi, Sb) 4 S 7 . 

 Contains 8'12 per cent of antimony. Large prismatic crystals. 

 From Nacozari, Sonora, Mexico. 



Thanite. M. Rozsa, Zs. Anorg. Chem., lxxxviii, 321, 1914.— 

 Used as a name for a mixture of kainite and halite found in the 

 Werra district, which has been formed from an original mixture 

 of sylvite, kieserite and halite. Named after Prof. Karl v. Than. 



Uranospathite. A. F. Hallimond, Min. Mag., xvii, 221, 

 1915. — Orthorhombic, pseudo-tetragonal. a : b : c = l'O : l'O :? 

 In elongated tabular crystals. Twin-axis perpendicular to (110), 

 in cruciform groups. Cleavage c(001) perfect, a(100) good, 

 £(010) ? fibrous. G. = 2 50. Color yellow to pale green. Biaxial, 

 negative. Bx ao perpendicular to c(001). Ax. pi. parallel to elonga- 

 tion and to fibrous cleavage. 2V = 69°. y = 1-521, /3 = 1*510. 

 Pleochroic, fi = y deep yellow, a pale yellow. Becomes uniaxial 

 in the- desiccator. Comp. — Hydrated uranyl phosphate. From 



Am. Jour. Sci. — Fourth Series, Vol. XLI, No. 246— June, 1916. 

 39 



