70 



SPECIFIC GRAVITY TABLES. 



AUTHORITIES. 



1 Gmelin's "Handbuch." 

 '^ Haiiy. "1 Dana's Mine- 



* Dufrenoy. J ralogy. 



* Smith. 3. 708. 



5 Shepard. 4. 763. 



6 Jackson. Sill. J. (2). 42. 108. 

 'Shepard. Sill. J. (2). 50. 96. 

 ^ Hermann. 1.1164. 



9 SiUiman, Jr. 2. 389. 

 1" Mohs. 



" Ilaidinger. Dana's Mine- 

 ralogy. 



12 Nuttall. Sill. J. (1). 4. 19. 



13 Igelstrom. 13. 753. 

 "Hermann. 14.979. 



15 Beck. 15. 718 



16 Filhol. 12. 



17 Nickles. 1. 435. 



18 Kirwan. Gilb. Ann. 9. 266. 



19 Mitscherlich. P. A. 18. 152. 



20 Millon. J. F. P. 29. 337. 

 2iWeber. J.F.P. (n.s).6.357. 

 22 Kirwan. 



" Stolba. 16. 667. 



2* Hurzig & Geuther. A. C. P. 



111. 170. 

 «Schiff. 12.41. 



26 Blum & Delffs. Dana's 



Mineralogy. 



27 BouUay. Dana's Mine- 



ralogy. 



28 Wernicke. 



29 Wernicke. 

 3" Wernicke. 



31 Wernicke. 



32 Wernicke. J 



J. F. P. (2). 

 2. 419. 



