CATALOGUE OF GEMS AND PRECIOUS STONES. 123 



CHALCEDONY (SILICIFIED WOOD), Adamana, Arizona. Cabochon, 

 elliptical girdle; mottled red, brown, and yellow; 64.25 carats; 42 by 28 by 

 8 mm. Cut from specimen 34059 No. 1548 



CHALCEDONY (SILICIFIED WOOD), Adamana, Arizona. Twelve stones, 

 cabochon, ten elliptical, two circular girdles; total weight, 41.55 carats; 

 yellow, brown, red, mottled; 23 by 7 by 4 to 9 by 4 mm. Cut from speci- 

 men 87406 No. 1537 



CHLORASTROLITE, Grand Marais, Cook County, Minnesota. Cabochon, 

 three elliptical, one rectangular girdle; mottled green and black; total 

 weight, 19.57 carats; 18 by 11.5 by 5 to 10 by 8.5 by 3 mm. Cut from 

 specimens 93426 No. 1262 



CHRYSOLITE, Navajo Indian Reservation, Arizona. Two gems, brilliant, 

 circular and elliptical girdles; yellow-green; 1.78 and 1.43 carats; 8 by 5 

 and 9 by 6 by 4 mm. Gift of Frank Springer No. 1">71 



CROCIDOLITE, Griqualand, South Afric?. Pair of cuff buttons, circular 

 girdle; brown; 19 mm. diameter; with specimens 92892 No. 1546 



EPIDOTE, Canon City, Colorado. Six stones, cabochon, elliptical and cir- 

 cular girdles; yellow-brown; total weight, 27.67 carats; 19 by 8 by 5 to 10 

 by 5 mm . Cut from specimens 87417 No. 1556 



FELDSPAR (AMAZONSTONE), Florissant, Colorado. Eighteen stones, 

 cabochon, various girdles; blue-green; total weight, 61.7 carats; 21 by 15 

 by 4.5 to 8 by 4 mm. Cut from specimen 87418 No. 1554 



FELDSPAR (AMAZONSTONE), Amelia Courthouse, Virginia. Three 

 stones, cabochon, elliptical girdle; green; 42.30, 36.67, and 31.38 carats; 

 36 by 24 by 7, 39 by 21.5 by 6, and 35.5 by 22 by 5.5 mm. Cut from speci- 

 men 49164 No. 1259 



FOSSIL CORAL, Alpena, Michigan. Cabochon, elliptical girdle; 134.87 

 carats; 45 by 38 by 9 mm. Polished specimen of 37475 No. 1551 



GARNET (ALMANDITE), Navajo Indian Reservation, Arizona. Bril- 

 liant, circular girdle; deep red; two gems, 2.12 and 1 .12 carats; 8.5 by 5 and 

 7 by 4 mm. Gift of Frank Springer No. 1570 



GYPSUM (SATINSPAR), Sicily. Two stones, cabochon, elliptical girdle; 

 white, with satin luster; 22.6 and 20 carats; 25 by 17 by 9 and 25 by 17 by 7 

 mm. Cut from specimen 82367 No. 1573 



LABRADORITE, Modoc County, California. Six gems, cabochon, ellipti- 

 cal girdle, and brilliant, circular girdle; pale yellow to red-brown; total 

 weight, 8.2 carats; 13 by 7 by 3 to 7 by 5 mm. Cut from specimen 87269. . No. 1567 



LAPIS-LAZULI, Chile, South America. Cabochon, elliptical girdle; mot- 

 tled blue; 16.96 carats; 22 by 16 by 6 mm. Cut from specimen 62802 No. 1260 



OBSIDIAN, Glass Buttes, Oregon. Cabochon, elliptical girdle; dark and 

 light brown, banded; 71.9 carats; 43 by 31 by 9 mm. Cut from specimen 

 35268 No. 1552 



QUARTZ (AMETHYST), Warren County, North Carolina. Two gems, 

 brilliant, elliptical and circular girdles; deep red-violet; 9.47 and 4.49 

 carats; 17 by 14 by 7 and 11 by 7 mm. Cut from specimen 87184 No. 1522 



QUARTZ (BRECCLA.TED CHERT), New Mexico. Cabochbn, elliptical 

 girdle; gray, 20.95 carats; 32 by 12 by 8 mm. Cut from specimen 87467 No. 1545 



QUARTZ (CATALINITE), Santa Catalina Island. Six stones, cabochon, 5 

 elliptical, one pendant; green, red, and brown, mottled; total weight, 69.5 

 carats; 31 by 13 by 7 to 12.5 by 10 by 4.5 mm. Cut from specimen 87461. . No. 1536 



QUARTZ (CITREtfE), Brazil. Step-brilliant, rectangular girdle; deep 

 yellow; 10.94 carats; 17 by 11 by 8. Exhibited with specimen 44678 No. 1521 



QUARTZ (CREOLITE), Hart, San Bernardino County, California. Tabu- 

 lar, rectangular girdle; brown, light and dark banded; 10.56 carats; 18 by 

 15 by 4 mm. With specimen 86943 No. 1544 



