BUILDING AND ORNAMENTAL STONES. 527 



Elaeolite syenite. Fine; greenish gray. Hot Springs. Diamond Jo quarry . John 



S. F. Batchen, 1883. 27519. 

 Limestone. Oolitic ; line ; dark drab. Blausett, Scott County. Tenth Census, 

 1880. 26643. 



Quartzite; light colored; fine and compact. Bald Knob, White County. Bald 



Knob quarry. Tenth Census. 26524. 



CALIFORNIA. 



Steatite [soapstone]. Fine ; compact ; blue gray. A.P.Blake. 25014. 

 Marble. White; yellow veined. 5£ by 5£ by £ inches. Kern County. Tenth Cen- 

 sus, 1880. 25469. 



Limestone [marble]. White ; green mottled. Two small slabs. Near Auburn, Placer 



County. Robert E. C. Stearns, 1883. 27352. 

 White, and white with dark veins; crystalline. Two specimens. Indian Dig- 

 gings, El Dorado County. Tenth Census, 1880. 25454. 

 Magnesian limestone [marble]. Dark gray ; compact. Colfax, Placer County. 



Colfax quarry. Tenth Census, 1880. 25636. 

 Stalagmite [marble]. Pinkish. 4 by 3£ by 1 inches. Mrs. J. L. Wilkius, 1882. 



27301. 

 Travertine [marble]. Massive; white; translucent. Three small pieces. Popularly 



called California onyx. San Luis Obispo. Chas. E. Hall & Co., 1884. 36758. 



White; translucent. About 3.V inches. San Luis Obispo. John Dimond, New 



York, 1884. 36759. 



Massive; white; translucent. Two specimens. Near San Luis Obispo, San 



Luis Obispo County. San Luis Obispo quarry. Tenth Census, 1880. 25571. 



Light green. 11 by 5 by 1 inches. Sacramento River, near Crescent Falls, 



near Berryvale, Siskiyou County. J. S. Diller, 1884. 36886. 



Emerald green ; line and compact. About 3 by 3 by 1£ inches. Falls of Sacra- 

 mento River, Siskiyou County. Chas. II. Townsend, 1884. 35746. 



Reddish brown. 10 by 5 by 1 inches. Suisun City, Solano County. Centen- 



nial, 1876. 25255. 



Brown. About 10 by 7^ by 1 inches. Suisun City, Solano County. Centen- 



nial, 1876. 25256. 



Brown; mottled. About 1\ by 5 by £ inches. Suisun City, Solano County. 



Centennial, 1876. 16054. 



Brown and amber yellow. 5 pieces irregular shaped. Suisun City, Solano 



County. B. K. Emerson, 1880. 38445. 

 Biotite granite. Medium; light gray. Rockliu, Placer County. G. Griffith's 



quarry. Tenth Census, 1880. 25539. 

 Hornblende biotite granite. Coarse; gray. Peuryu, Placer County. G. Griffith's 



quarry. Tenth Census, 1880. 25542. 

 Hornblende granite (?). Medium; very dark gray, nearly black. Peuryn, Placer 

 County. G. Griffith's quarry. Tenth Census, 1880. 25554. 



The abundance of plagioclase feldsapar and small amount of orthoclas 

 in this rock place it intermediate between true granite and quartz diorite. 

 Basalt. Compact; dark gray. Bridgeport, Solano County. Used only for street 

 pavement. Thomason's quarry. Tenth Census, 1880. 25663. 



r Compact; dark gray. Near Petaluma, Sonoma County. Used only for street 



pavement. Quarry of J. Codden Bros, and others. Tenth Census, 1880, 

 25664. 



