024 REPORT OF NATIONAL MUSEUM, 1900. 



Quartz, var. agSLt'ized \\oit(\. Humboldt County, Nevada. Rectangular l)lock. Size, 



6 by 5 by 2.5 cm. Cat. Nos. }j-78H; 15610. 

 Quartz, var. agatized wood. Longitudinal section of tree. Cat. Nos. l)-787; 48539. 

 Quartz, var. agatized wood. Cross section of tree. Size, 9 cm. diam. Cat. Nos. 



b-788; 84217. 

 Quartz, var. amethyst. Stow, Maine. Color, deep amethyst. Step-brilliant cut; 



circulargirdle. Size, 19 by 12 nun.; weight, 22.90 carats. Cat. Nos. b-717; 50278. 

 QiM/r/z, var. amethj'st. Stow, Maine. Color, amethyst. Rose cut; elliptical girdle. 



Size, 17 by 14 by 10 mm.; weight, 12.78 carats. Cat. Nos. a-721; 46826. 

 Quartz, var. amethyst. Brazil. Color, amethyst. Brilliant cut; circular girdle. 



Size, 17 by 10 mm. Cat. Nos. a-724; 84188. 

 Quartz, var. amethyst. Brazil. Color, amethyst. Brilliant cut; circular girdle. 



Size, 16 by 10 mm. Cat. Nos. a-725; 94188. 

 Quartz, var. amethyst. Brazil. Color, amethyst. Step-brilliant cut; elliptical 



girdle. Size, 22 by 16 by 8 mm. Cat. No.s. a-726; 84188. 

 Quartz, var. amethyst. Brazil. Color, amethyst. Step-brilliant cut; elliptical 



girdle. Size, 16 by 15 by 8 mm. Cat. Nos. a-727; 84188. 

 Quartz, var. amethyst. Brazil. Color, amethyst. Step-brilliant cut; circular girdle. 



Size, 13 by 8 mm. Cat. Nos. s-728; 84188. 

 Quartz, var. amethyst. Harz, GermanJ^ Color, pale amethyst. Step-brilliant cut; 



elliptical girdle. Size, 10 by 9 by 6 mm. Cat. Nos. a-730; 47785. Gift of Dr. 



Henry A. Fisher. 

 Quartz, var. amethyst. Germany. Color, amethyst. Seal handle on gold base. 



Cat. Nos. a-742; 82786. The Lea Collection. 

 Quartz, var. amethyst. Siberia. Color, deep amethyst. Brilliant cut; square gir- 

 dles. Eleven stones; average size, 5 by 3 mm. Cat. Nos. a-731-741; 84189. 

 Quartz, var. amethyst. Japan. Color, amethyst. Step-brilliant cut; oval girdle. 



Size, 21 by 19 by 11 mm. Cat. Nos. a-729; 50366. 

 (Quartz, var. amethyst. Color, amethyst. Step cut; intaglio; rectangular girdle. 



Size, 18 by 16 by 9 mm. Cat. Nos. a-743; 50272. 

 Quartz, var. amethyst. Warlick, Burke County, North Carolina. Color, light ame- 

 thyst. Step, brilliant cut; elliptical girdle. Size, 18 by 16 by 9 mm.; weight, 



14.61 carats. Cat. Nos. a-718; 83742. The Lea Collection; gift of Dr. L. T. 



Chamberlain, 

 ^larte, var. amethyst. Macon County, North Carolina. Color, amethyst. Brilliant 



cut; elliptical girdle. Size, 7 by 13 by 8 mm.; weight, 9.93 carats. Cat. Nos. 



a-719; 48471. 

 (Quartz, var. amethyst. Minas Geraes, Brazil. Color, deep amethyst. Step, bril- 

 liant cut; elliptical girdle. Size, 48 by 33 by 21 mm.; weight, 178.13 carats. 



Cat. Nos. a-722; 83538. The Lea Collection; gift of Dr. L. T. Chamberlain. 

 Quartz, var. amethyst. Brazil. Color, amethyst. Brilliant cut; elliptical girdle. 



Size, 21 b> 16 by 11.5 mm. Cat. Nos. a-723; 84188. 

 Quartz, var. amethyst. Ten miles southeast of Statesville, Alexander County, North 



Carolina. Color, amethyst. Step-brilliant cut; circular girdle. Size, 14 by 



10 mm.; weight, 9.71 carats. Cat. Nos. a-713; 83746. The Lea Collection; gift 



of Dr. L. T. Chamberlain. 

 Quartz, var. amethyst. Ten miles southeast of Statesville, Alexander County, North 



Carolina. Color, amethyst. Step- brilliant cut; circular girdle. Size, 12 by 



8 mm.; weight, 6.39 carats. Cat. Nos. a-714; 83746. The Lea Collection; gift 



of Dr. L. T. Chamberlain. 

 Quartz, var. amethyat. Ten miles southea.-it of Statesville, Alexander County, North 



Carolina. Color, light amethyst. Step-brilliant cut; circular girdle. Size, 



12 by 8 mm.; weight, 6.07 carats. Cat. Nos. a-715; 83746. The Lea Collection; 



gift of Dr. L. T. Chamberlain. 



