1 lu 



TABLE OF SP] CIFIC GRAVITIES 



3d. Boro-, Fluo-, and Other Mixed Silicates. 



Name. 



i n.A. 



Si- Gravity. 



.\ DTHORITY. 



Danburite 





Datolite 



Ca H ! 



II milite 

 Howlite - 



Axinite 



Tourmalim , I 







i 10 



A' I . II 



B - 



\: B 



i 



Brown 



Apophyllite.. 







8.021 







2.9911 --. 







:.014_. 







1 !l 









. 



8.271 



[.082 



I.112-. 



- 

 8.08— $ 







2.9 i 



8.018 







Brush and Dana. Z. 

 K. M. 6, 185. 

 rig Z K M. 



7. 2 



Breithaupt 



Bottger. 

 Whitney. J. 12 



rmak. .1. 18, 



778 

 Smith. J. 27, 1270. 

 Paikull. Z. K. M. 



1. 885. 



rry. 



A .1. - 



221. 

 Mohi 



\ ■' - 

 16. 



.1 . •'.. 

 744. 

 Riggs A. J.S 



Rammelsl 

 744. 



\ .' - 



Jackson. J 

 Smith. .1 

 Rammelsberg. .1 , '. 



inn B ■' • '-'! . 



Rami 



baupt- 

 jcr. 



charow. •! ' 



Ramnnl$1>crg. .T. T. 



- 

 Church. Gortl. Ma». 



HillelranH P.uli. 

 20, n 



•;,. v.. R. hi. 



