2 1 3 Byssolite in Quartz, two heart-shaped pieces and 



six cut stones. Stony Point, North Caro- 

 lina. 



214 Hornblende Crystals, Penetrating Quartz, cut stones 



and polished specimens, 3 x if. Cumber- 

 land, Rhode Island. 



215 Hornblende in Quartz, three cut stones. Cum- 



berland, Rhode Island. 



216 Quartz containing crystals of Byssolite, "Thetis' 



Hair Stone," nine cut stones. Sneach Pond, 

 Cumberland, Rhode Island. 



217 " Quartz Cat's eye," Quartz containing Byssolite, 



seventeen cut stones. Sneach Pond, Cum- 

 berland, Rhode Island. 



218 Quartz penetrated by crystals of Stibnite. Hum- 



boldt County, Nevada. 



219 Quartz, var. rock crystal, polished (with inclosed 



chlorite), 6^ x 5 x 4^ inches. Ashe 

 County, North Carolina. 



220 Quartz and Amethyst, four cut stones with 



chlorite and other inclusions. McDowell 

 County, North Carolina. 



221 Quartz, coating Cinnabar. Redington Mine, Cali- 



fornia. 



222 Chalcedony, inclosing Cinnabar, cut stone. Red- 



ington Mine, California. 



223 Drusy Quartz, coating sky-blue Chrysocolla. 



Globe District, Arizona. 



224 Chrysocolla in Quartz and Chalcedony, cut stone. 



Morenci, Arizona. 



225 Quartz, filled so thickly with Dumortierite as to 



resemble lapis-lazuli, three polished speci- 

 mens (deep blue). Yuma County, Arizona. 

 21 



