FOR SOLIDS AND LIQUIDS. 



61 



Name. 



Copper monosulphide 



" " Covellite. 

 Palladium hemisulphide . 

 Platinum monosulphide.. 

 Platinum disulphide 



Platinum sesquisulphide 



Formula. 



CuS. 



Pd 2 S. 



Pt s_. 



PtS 2 . 



Pt„ s.. 



Sp. Gravity. 



4.1634 



4.G3G 



7.303, 15° 



8.847, 16°.25_. 



7.224, 18°.75_- 

 5.27 



Authority. 



Karsten. Schw. J. 



G5, 394. 

 Zepharovich. J. 7, 



810. 

 Schneider. P. A. 



141, 532. 

 Bottler. J. P. C. 



3, 267. 



Schneider. 

 138, 604. 



P. A. 



2d. Sulpho-Salts of Arsenic, Antimony, and Bismuth. 



Name. 



Formula. Sp. Gravity. Authority. 



Proustite 



ii 



ii 



Xanthoconite 



Guitermannite 



Sartorite 



Dufrenoysite 



!( 

 (1 



Enargite 



a 



ii 



ii 



" Guavacanite 



" Clarke 



" Luzonite _.. 



Julianite 



Binnite 



Tennantite 



-A-&3 As ^3 



Ag 9 As 3 S 10 . 

 PKAs, S c _. 



Ph As 2 S 4 



ii 

 Pb, As, S v 



Cu' 3 As S 4 



Cu 4 As S 4 . 



Cu 6 As, S 9 _ 

 Cu'o As, S, 



5.524 



5.53 — 5.59 



5.552, 13° ... 

 4.112—4.159. 



5.94 



.405 _ 

 .393 . 

 .409 _ 

 .5616 



.549 _ 



.561 _ 

 .362 . 



430 

 445 



34 

 43 

 39 



46 



.42 

 .12 



477 

 375 



530 

 622 



Mohs. 

 Breithaupt. See 



Bdttger. 

 G.Rose. P. A. 15,472. 

 Breithaupt. J. P.C. 



20, 67. 

 Ilillebrand. Bull. 



No. 20., U. S. G. 



S., 10G. 



Waltershausen. J. 



8, 914. 

 Landolt. P. A. 122, 



o to. 

 Damour. Ann. (3), 



14, 379. 

 v. Eath. J. 17, 827. 

 Kenngott. Dana's 



Min. 

 Breithaupt. J. 3, 



702. 

 Kobell. J. 18, 872. 

 Root. J. 21, 998. 

 Burton. J. 21, 998. 

 Field. J. 12, 771. 

 Sandberger. N. J. 



1875, 382. 

 Weisbach. M. P. 



M. 1874, 257. 

 Websky. Z. G. S. 



1871, 486. 

 Dana's Mineralogy. 

 Phillips. See Bott- 

 ler. 

 Scheerer. P. A. 65, 



298. 

 Harrington. J. 37, 



1911. 



