BIBLIOGRAPHY OF SAMUEL LEWIS PENFIELD 579 



On the occurrence of alkalies in beryl. Ibid., xxviii, 25-32. 



Ueber Erwilrmungsversuche an Leucit und anderen Mineralien. Neues 



Jahrb. fiir Min., ii, 224. 

 1885: Crystallized tiemannite and metacinnabarite. American Journal of 



Science (3). xxix, 449-454. 

 Gerhardtite and artificial basic cupric nitrates (with H. L. Wells). 



Ibid.. XXX, 50-57. 

 Crystals of analcite from the Phoenix mine. Lake Superior copper region. 



Ibid., 112-113. 

 Mineralogical notes (with E. S. Dana). Ibid., 136-139. 



1886. Brookite from Magnet Cove, Arkansas. Ibid., xxxi, 387-389. 



Chemical composition of herderite and beryl (with D. N. Harper). 



Ibid., xxxii, 107-117. 

 On hitherto undescribed meteoric stones (with E. S. Dana). Ibid., 226- 



231. 

 On pseudomorphs of garnet from Lake Superior and Salida, Colorado 



(with F. L. Sperry). Ibid., 307-311. 

 On the chemical composition of ralstonite (with D. N. Harper). Ibid., 



380-385. 

 Crystallized vanadiuite from Arizona and Xew Mexico. Ibid., 441-443. 



1887. Phenacite from Colorado. Ibid., xxxiil, 130-134. 



On the chemical composition of howlite (with E. S. Sperry). Ibid., 



xxxir, 220-223. 

 Triclinic feldspars with twinning striations on the brachypinacoid (with 



F. L. Sperry). Ibid.. 390-393. 



1888. On the crystalline form of polianite (with E. S. Dana). Ibid., xxxv, 



243-247. 

 Bertrandite from mount Antero, Colorado. Ibid., xxxvi, 52-55. 

 Mineralogical notes (with E. S. Sperry). Ibid., 317-331. 



1889. On the crystalline form of sperrylite. Ibid., xxxvii, 71-7.3. 



On some curiously developed pyrite crystals from French creek, Chester 

 countj-, Pennsylvania. Ibid., 209-212. 



Crystallized bertrandite from Stoneham, Maine, and mount Antero, 

 Colorado. Ibid., 213-216. 



Results obtained by etching a sphere and crystals of quartz with hydro- 

 fluoric acid (with Otto Meyer). Trans. Conn. Acad., viii, 158-165. 



1890. On lansfordite, nesquehonite, a new mineral, and pseudomorphs of 



nesquehonite after lansfordite (with F. A. Genth). American Jour- 

 nal of Science (3), xxxix, 121-137. 



On spangolite, a new copper mineral. Ibid.. 370-378. 



On hanilinite, a new rhombohedral mineral from the herderite locality 

 at Stoneham, Maine (with W. E. Hidden). Ibid., 511-513. 



Fayalite in the obsidian of Lipari (with .J. P. Iddings). Ibid., xl, 75-78. 



On connellite from Cornwall, England. Ibid., 82-86. 



Crystallographic notes (with F. A. Genth). Ibid., 199-207. 



Chalcopyrite crystals from French creek. Pennsylvania. Ibid., 207-211. 



Anthophyllite from Franklin, Macon county. North Carolina. Ibid., 394— 

 397. 



On the beryllium minerals from mount Antoi-o, Colorado. Ibid., 4SS- 

 49L 



