TABLES. 



399 



Table D. — Classification of alterations, with volume changes — Continued. 

 CARBONATION, HYDRATION, AND DESILICATION— Continued. 



Volume 

 change. 



Pyrope 



Pyrope (see Grossularite). 



Sahlite 



Do 



Zoisite 



Amesite, magnesite, quartz 



Bastite, quartz 



Bastite, quartz, calcite 



Calcite, gibbsite, kaolin, quartz . . 



Per cent 

 +62. 26 



+ 1.93 

 +56.41 

 +66. 22 



CARBONATION, HYDRATION, AND DESULPHATION. 



Haiiynite. 

 Do... 

 Do... 



Chabazite, gibbsite 



Natrolite, gibbsite, calcite. 

 Stilbite, gibbsite, calcite.. 



Noselite , Natrolite, gibbsite. 



— 7.46 

 + 4.99 

 + .46 

 —16.44 



CARBONATION, HYDRATION, OXIDATION, AND DESILICATION. 



CARBONATION, HYDRATION, AND SILICATION. 



Hornblende, quartz Biotite, calcite 



+41. 13 



CARBONATION, OXIDATION, DEHYDRATION, AND DESILICATION. 



Biotite Epidote, quartz 



CHANGE OF SYMMETRY AND MOLECULAR CHANGE. 



Andalusite 



Aragonite 



Bronzite or hypersthene . 

 Marcasite 



Cyanite 



Calcite 



Anthophyllite 

 Pyrite .... 



-12. 03 



+ S.35 

 i+ 8.70 



*Sp. gr. hypersthene. 



