FOR SOLIDS AND LIQUIDS. 125 



XXXVII. ANTIMONITES AND ANTIMONATES. 



Name. 



Formula. 



Sp. Gravity. 



Authority. 



Sodium antimonite 



Sodium hydrogen anti- 

 monite. 



Romeite 



it 



Atopite 



Barcenite 



Monimolite 



Bindheimite 



it 



Nadorite 



Stibioferrite 



Thrombolite 



Na Sb 2 . 3 H 2 0___ 



Na H 2 (Sb 2 ) 3 



Ca (Sb0 2 ) (Sb0 3 ) ?_ 



Ca 2 Sb 2 O. ~~ 



CaHg(SbO s ) 4 



Pb 4 (Sb 4 ) 2 



Pb 3 (Sb 4 ) 2 . 4H 2 0. 



Pb (Sb 0.,) CI 



4Fe'"Sb0 4 . 3H,0 



Cu 10 Sb 6 O 19 . 19H 2 



2.864 



5.05 . 



4. 075 

 4.714 

 5.03 . 



5.353, 20° 



5.94 



4.60—4.76 



5.01, 19° _ 



7.02 



3.598 



3.GG8 



Terrell. Ann. (4), 

 7, 350. 



Damour. J. 6, 837. 



Nordenskiold. Da- 

 na's Min., 3d App. 



Mallet. A. J. S. (3), 

 16, 306. 



Igelstrom. Dana's 

 Min. 



Hermann. J. P. C. 

 34, 179. 



Hillebrand. Bull. 

 20, U. S. G. S. 



Flajolot. J. 23, 1280. 



Goldsmith. Dana's 

 Min., 2d App. 



Schrauf. Z. Iv. M. 

 4, 28. 



XXXVIII. COLUMBATES AND TANTALATES * 



Name. 



Formula. 



Sp. Gravity. 



Authority. 



Magnesium columbate 

 Manganese columbate, 

 Columbite 



ii 

 (< 



(i 

 Manganese columbite . 



Tantalite 



ii 



(i 



(i 

 ii 



Mangantantalite 



Sipylite 



M Si Cb 2 9 



? 



Fe Cb„ O, . 



Mn (Cb 3 ) (Ta 3 ) 

 FeTa, 0, 



Mn Ta 2 6 ... 

 Er Cb 4 



4.3 



4.94 



5.409—5.495. 



5.447 



5.432— 5.452 . 



5.40—5.42... 

 0.59 



7.264 



7.936 



7.703 



7.277— 7.414.. 



7.2 :__. 



7.37 __'_ 



4.883, 16°.... 



Joly. C. R, 81,268. 

 JolV. B. S. C. 25, 67. 

 Schlieper. Dana's 



Min. 

 Oesten. Dana's Min. 

 Breithaupt. J. l'l, 



720. 

 Miiller. J. 11, 721. 

 Comstock. A. J. S. 



(3), 19, 131. 

 Nordenskiold. P. A. 



26, 488. 

 Berzelius. Dana's 



Min. 

 Jenzsch. Dana's 



Min. 

 Rose. J. 11, 720. 

 Smith. A. J. S. (3), 



14, 323. 

 Arzruni. J. C. S. 



54, 234. 

 Mallet. Z. K. M. 



6, 518. 



*For samarskite, microlite, fcrgusonite, and other natural columbotantalates see Dana's Miner- 

 alogy. The formulfe here assigned to columbite, tantalite, and sipylite are only, approximative, 

 representing the' typical compounds. 



