FOR SOLIDS AND LIQUIDS. 



43 



Name. 



Formula. 



Sp. Gravity. 



Authority. 



Aluminum trioxide. Ruby 



it U II 



" " Sapphire. 



AL O, 



3.95, natural 

 3.7, artificial 

 3.562 



3.9998 

 4.0001 

 3.98 ._ 



Corundum 



3.990 



3.899, 15°.5_ ) 

 3.929 I 



Scandium trioxide_.. 

 (i it 



Yttrium trioxide 



it it 



II !( 



Indium trioxide 



Lanthanum trioxide. 



a (I 



(i u 



(( (1 



Didymium trioxide _. 

 << u 



ii ii 



a a 



ii ii 



U II 



Didymium pentoxide 

 Samarium trioxide _. 



Erbium trioxide 



u it 



ii ii 



Ytterbium trioxide _. 

 Carbon dioxide. L._. 



Sc 2 3 



ii 



Yt, O, 



3.974 



4.022 



3.992, after 



ignition. 

 3.979 

 4.03 

 3.8 _. 

 3.864 



15°. 5 



4.842 



5.028, 22° 

 5.046 



In 2 3 

 La., O 



2 w 3 



7.179 



5.94 



5.296, 16°—. 



6.53. 17°___. 



6.480 



Di„ (X 



6.64 



5.825, 14°__. 



6.852 

 6.950 



7.177 

 7.182 

 5.368, 15° __ 



13°.5 



8.311,13° 

 8.383, 15° 



8.9 __ 

 8.640 



CO., 



9.175 __. 

 .9, —20° 

 .83, 0°_. 

 .6, +30° 



Williams. C. N. 28, 



101. 

 Muschenbroek. See 



Bottger. 

 Schaffgotsch. P. A. 



74, 429. 

 Williams. C. N. 28, 



101. 

 Nilson and Petters- 



son. C. R. 91, 232. 



Schaftgotsch. P. A. 

 74, 429. 



Deville. J. 8, 15. 



Church. Geol. Mag. 



(2), 2, 320. 

 Cleve. C. R. 89, 420. 

 Nilson. C. R. 91, 



118. 

 Ekeberg. P. M. 14, 



346. 

 Cleveand Hoeglund. 



1873. 

 Nilson and Petters- 



son. C. R. 91, 



232. 

 ii ii 



Hermann. J. 14,192. 

 Nordenskiold. J. 14, 



197. 

 Cleve. B. S. C. 21, 



196. 

 Nilson and Petters- 



son. C. R. 91,232. 

 Hermann. J. 14,195. 

 Nordenskiold. J. 14, 



197. 

 Cleve. J. C. S. (2), 



13, 340. 

 Nilson and Petters- 



son. C. R. 91,232. 



Cleve. U.N. A. 1885. 



Brauner. Ber. 15, 

 113. 



Cleve. U.N. A. 1885. 



Cleveand Hoeglund. 



B. S. C. 18, 195. 

 Nilson and Petters- 



son. C. R. 91, 



232. 



Thilorier. Ann. (2), 

 60, 427. 



