FOR SOLIDS AND LIQUIDS. 



49 



Name. 



Formula. 



Sp. Gravity. 



Authority. 



Arsenic trioxide. 



Arsenic pentoxide 



Antimony trioxide. 



Valentinite 



Senarmontite 



Antimony tetroxide 



Cervp.ntite 



Antimony pentoxide. 



Bismuth trioxide 



Bismuth tetroxide _ 

 Bismuth pentoxide 



As, O, 



As,0. 



Sb, O, 



Sb 2 4 



Sb, <X "_l~ 



BL 0, 



Columbium pentoxide 

 4 S G 



Bi„0, 



Bi,O s 



3.G95, octahe- 

 dral. 



3.7385, amor- 

 phous. 



3.729, 17°.2 



3.7026 



3.7202 



3.798 



3.884 



3.85, native 

 3.7342 



3.985 "I 



4.023 j 



4.250 



5.566 

 5.778 



Guibourt. 

 128. 



B.J. 7, 



6.6952 



5.251 '_. 



5.11, octahedral 

 3.72, prismatic. 



5.566 



5.22—5.30 



4.074 



4.084 ... 

 6.525 __. 



3.779 



8.211, 18°.3__. 



8.449 __. 



8.1735 



8.079 



8.855 1 

 8.868/ 

 5.6, 20° 



Cb„ O s 



5.917-1 

 5.919/ J 

 5.1, 20° __ 



. Extremes 

 4.50 J of several 

 5.26) determi- 

 nations. 



Herapath. P.M. 64, 



321. 

 Karsten. Schw. J. 



65, 394. 

 Taylor. Gm. H. 

 Fil'hol. Ann. (3), 21, 



415. 

 Claudet. J. 21, 230. 

 Karsten. Schw. J. 



65, 394. 

 Playfair and Joule. 



M. C. S. 3, 83: 

 Filhol. Ann. (3), 



21, 415. 

 Mohs. Sec Bottler. 

 Boullay. Ann. (2), 



43, 266. 

 Karsten. Schw. J. 



65, 394. 

 Playfair and Joule. 



M. C. S. 3, 83. 

 \ Terreil. J. P. C. 98, 

 / 154. 



Dana's Mineralogy, 

 (i ti 



Playfair and Joule. 



M. C. S. 3, 83. 

 Dana's Mineralogy. 

 Boullay. Ann. (2), 



43, 266. 

 Playfair and Joule. 



M. C. S. 3, 83. 

 Herapath. P. M. 64, 



321. 

 Le Koyer and Du- 

 mas. See Bottger. 

 Karsten. Schw. J. 



65, 394. 

 Playfair and Joule. 



M. C. S. 3, 82. 



Schroder. Dm. 1873. 



Muir, Hoffmeister, 



and Kobbs. J. C. 



S". 39, 32. 

 Brauner and Watts. 



P. M. (5), 11, 60. 

 Muir, Hoffmeister, 



and Bobbs. J. C. 



S. 39, 32. 



H. Rose. J. 1, 405. 



