CATALOGUE OF GEMS AND PRECIOUS STONES. 119 



CEYLON. 



Step-brilliant, rectangular girdle; dull green-brown; 21.22 carats; 18 by 17 



by 7 mm No. 325 



Rose, elliptical girdle; pale green-brown; G.866 carats; 15 by 10 by 5.5 mm. 



Isaac Lea collection No. 449 



Step-brilliant, elliptical girdle; brown-yellow; 5.09 carats; 9 by 8 by 7 mm. No. 337 



Rose, circular girdle; green-brown; 4.98 carats; 12 by 4 mm No. 333 



Rose, circular girdle; pale green-yellow; 4.85 carats; 11 by 5 mm No. 334 



Rose, circular girdle; pale green-yellow; 4.614 carats; 11 by 4 mm No. 335 



Step-brilliant, rectangular girdle; yellow-brown; 4.377 carats; 11 by 8 by 



5.5 mm No. 330 



Rose, circular girdle; pale green-yellow; 4.335 carats; 11 by 4 mm No.' 336 



Brilliant, square girdle; pale smoky brown; 4.31 carats; 10 by 6 mm No. 328 



Step-brilliant, rectangular girdle; yellow-green; 3.777 carats; 10 by 8 by 



7 mm No. 331 



Step-brilliant, elliptical girdle; brown: 3.24 carats; 8.5 by 8 by 5.5 mm No. 339 



Step-brilliant, elliptical girdle; brown-green; 3.058 carats; 11 by 7.5 by 



5 mm No. 338 



Brilliant, elliptical girdle; pale blue; 2.406 carats; 9 by 7 by 5 mm. Gift . 



of Clarence S. Bement No. 329 



Brilliant, elliptical girdle; smoky red-brown; 2.335 carats; 11 by 7.5 by 3 



mm No. 340 



Rose, elliptical girdle; nearly colorless; 1.94 carats; 8 by 7 by 5 mm No. 342 



Rose, oval girdle; nearly colorless; 1.926 carats; 9 by 6.5 by 4 mm No. 341 



Step-brilliant, rectangular girdle; brown-green; 1.88 carats; 9 by 7.5 by 5 



mm No. 326 



Step-brilliant, rectangular girdle; pale green-blue; 1.46 carats; 7 by 6 by 



4 mm No. 345 



Step-brilliant, rectangular girdle; pale green-blue; 1.436 carats; 7 by 5.5 by 



4 mm No. 346 



Step-brilliant, elliptical girdle; brown-yellow; 1.415 carats; 7 by 6 by 3 



mm No. 332 



Brilliant, elliptical girdle; yellow-green; 1.38 carats; 7.5 by 7 by 4 mm No. 344 



Brilliant, elliptical girdle; violet-brown; 1.32 carats; 9 by 5.5 by 3 mm No. 347 



Brilliant, rectangular girdle; green-yellow; 1.27 carats; 6.5 by 5 by 4 mm.. No. 348 



Brilliant, rectangular girdle; orange-yellow; 1.2 carats; 7 by 6 by 4 mm No. 349 



Step-brilliant, circular girdle; red-brown; 1.12 carats; 7 by 4.5 mm No. 350 



Brilliant, square girdle; dull yellow-green; 1 carat; 7 by 5 mm No. 327 



Step-brilliant, square girdle; pale yellow; 0.98 carat; 6 by 5 by 3 mm No. 351 



Step, elliptical girdle; green-yellow; 0.707 carat; 7 by 4 by 2 mm No. 352 



Ninety-one small gems, rose, circular girdle; blue and pale yellow; total 



weight, 17.94 carats; 5 by 3 to 3 by 2 mm No. 353 



Ninety-eight very small gems, brilliant, circular girdle; colorless; total 



weight, 3.325 carats; Isaac Lea collection No. 450 



LOCALITY NOT RECORDED. 



Brilliant, elliptical girdle; brown; 51.29 carats; 25 by 19 by 12 mm. Isaac 



Lea collection No. 1179 



ZOISITE: THULITE. 



This is a massive form of a calcium aluminum silicate which is 

 gray when pure, but often colored pink or red by traces of man- 

 ganese. It is hard and quite durable and occurs in metamorphic rocks 



