132 



BULLETIN 118, UNITED STATES NATIONAL MUSEUM. 



Paper weight of onyx with irregular oval handle; base white, handle red- 

 brown, mottled ; 8 by 5.5 cm. Puebla, Mexico No. 1835 



Carved ornament in imitation of fruit; banded onyx; 6.7 cm. diameter. 



Mexico No. 1751 



Model of mounted cannon of stalagmite. Rock of Gibraltar No. 1692 



Paper weight of onyx; pale green; triangular; 6.5 cm. Near Upper Soda 



Spring, Siskiyou County, California No. 1691 



Paper weight of fossil coral; gray; 8.5 by 7.5 by 4.5 cm. Iowa No. 1699 



Paper weight of fossil coral; gray-brown; 7.9 by 6.5 by 3.4 cm. Iowa No. 1834 



Paper weight of fossil coral; dark gray brown; 5.7 by 3.9 by 2 cm. Gift of 



E. F. Boss No. 1693 



Paper weight; brown, mottled; 11 by 6.5 cm. Colusa County, California. . No. 1724 

 Conch shell with cameo engraved on one side; white and brown. West 

 Indies No. 1752 



MOSAIC. 



Jewel box of rhodonite, aventurine quartz, agate, and jasper mosaic; square 



and diamond shaped pieces. Material obtained in the Urals No. 1708 



Mosaic slab of the 17th cen- 

 tury, made of agate and 

 lapis-lazuli. Russia... No. 1707 

 Mosaic paper weight made 

 of agate, quartz, jasper, 

 etc. Russia No. 1706 



OPAL. 



LIST OF SPECIMENS. 



Carving of a lizard on a base 

 of limonite; blue. 

 Queensland, Australia 

 (fig. 15) No. 1043 



Paperweight; pale yellow; 

 5.7 by 2.3 cm. Noto, 

 Fig. 15.— Lizard carved in opal on limonite. Japan No. 1743 



QUARTZ. 



list of specimens. 



Polished elliptical slab inclosing rutile needles; 12.2 by 9.5 by 1.5 cm. 



Madagascar No. 1753 



Two small prisms inclosing hairlike tremolite needles; 50 by 10 and 45 by 



23 mm. Isaac Lea collection. Japan No. 1672 



Carved seal handle of pale yellow quartz, inclosing rutile needles; 64 by 



40 mm No. 1681 



Seal handle of amethyst; red- violet. Germany. Isaac Lea collection No. 1694 



Small basin of beekite carved in a mass of fossil coral; yellow. Devon, 



E ngland N o . 1 756 



Knife handle of citrine quartz; yellow; 7.5 cm. long. Switzerland No. 1680 



Carved turtle of rock crystal; colorless. Japan. Isaac Lea collection No. 1677 



Carved seal of rock crystal; colorless; 7 cm. long. Mursinsk, Russia No. 1671 



Carved eagle; colorless; 58 mm. Siberia No. 1670 



Drawer knob of rock crystal; colorless; 61 by 18 mm. Siberia No. 1678 



Knob of rock crystal; colorless; 57 by 6 mm. Switzerland No. 1679 



