MINERALS, METEORITES, ROCKS, AND ORES. 359 



48246. Mixite. 



Mammoth mine, Tintic District, Utah. 

 Hillebrand, \V. F., Amer. Journ. Sci., vol.35 (3), 1888, p. 305. 



83233. Natrolite. 



South Table Mountain, near Golden, Jefferson County, 

 Colorado. 



Cross (C. W.), and Hillebrand (W. F.), Bull. No. 20, U. S. Geol. 

 Surv., 1885, p. 36. 



S3315. Olivenite. 



American Eagle mine, Tintic District, Utah. 



Hillebrand, W. F., Bull. No. 20, U. S. Geol. Surv., 1S85, p. 83. 



83294 Pachnolite. 



to Eureka Tunnel and Cincinnati mine, St. Peters Dome, 



83299. Pikes Peak, El Paso County, Colorado. 



Cross (C. W.), and Hillebrand (W. F.), Bull. No. 20, U. S. Geol. 

 vSurv., 1S85, p. 65. 



84690 (a). Petzite. 



84689 (b). (a) Ford's mine, Robinsons Ferry, Calaveras County, Cali- 

 fornia, 

 (b) Melone's mine, Robinsons Ferry, Calaveras County, 

 California. 



Hillebrand, W. F., Amer. Journ. Sci., vol. 8 (4), 1899, p. 296. 



48604. Plattnerite. 



You Dike mine, Coeur d'Alene Mountains, Mullan, Idaho. 



Yeates (W. S.), and Ayres (E. F.), Amer. Journ. Sci., vol. 43 (3), 

 1891, p. 407. 



51 107. Polybarite. 



Yankee Boy mine, Ouray, Ouray County, Colorado. 

 Penfield, S. L., Amer. Journ. Sci., vol. 40 (3), 1S90, p. 424. 



41 138. Powellite. New mineral named. 



Peacock lode, Seven Devils District, Idaho. 



Melville, W. H., Amer. Jonrn. Sci., vol. 41 (3), 1891, p. 138. 



45875. Prochlorite. 



Waterworks tunnel, Washington, District of Columbia. 



Clarke (F. W.), and Schneider (E. A.), Amer. Journ. Sci., vol. 40 

 (3), 1890, p. 406. 



83305 Prosopite. 



to Cincinnati mine and Eureka Tunnel, St. Peters Dome, Pikes 



83308. Peak, El Paso Count}^ Colorado. 



Cross (C. W.), and Hillebrand (W. F.), Bull. No. 20, U. S. Geol. 

 Surv., 1885, p. 62. 



84449. Prosopite. 



Dugway District, Tooele County, Utah. 



Hillebrand, W. F., Amer. Journ. Sci., vol. 7 (4), 1899, pp. 53-55. 



83283. Ptilolite. New mineral named. 



Green Mountain, near Cold Spring Ranch, between Golden 

 and Morrison, Jefferson County, Colorado. 

 Cross (C. W.), and Eakins (E. G.), Proc. Colo. Soc, 1SS6, p. 71. 



