BUILDING AND OivNAMENTAL STONES. 605 



Slate. Ctimbiiau ; green. 4 by 4 by 1^ iiiuheis. Two speciiiieiis. roultuey, Iviithmil 

 Comity. Eureka quarry. TeuUi Census, 1680. 27183. 



Steatite [soapstoiie]. Modiiiin; coinpaet; blue-gray. Near Ijaugley, Fairfax 

 Comity. Tenth Census, 1880. 2r)2.j4. 



Very light colored, schistose. Near Falls Cliureh, I*airtax County. E. L. 



Howard, 1883. 28041). 



Gypsum. Coarse; gray; wliite mottled. Saltvillo, Smyth County Holston Sale 

 and IMaster Company. Centennial, 1870. 2712i). 



White; dark veined. Saltviile, Smyth County. Quarriea of Stuart & Palmer. 



Centennial, 1876. 27153. 



Limestone [stalagmitic marble]. About 13 by 8 inches. Luray, Page County. 

 From Luray Cave. Gift of Henry llorau, 1835. 37043. 



About 14| by 10|^ by 7^ inches. Luray, Pago County. From Luray Cave. 



Robert Corson, 1861. 250:57. 



About 4| by 3J by 3| inches. Luray, Page County. From Luray Cave. Robert 



Corson, 1881. 25374. 



Limestone [stalagmite marble]. Light brown. 4^ by 2 by 1 inches. Rockbridge 

 County. U. S. General Land Office, 1882. 27268. 



A polished slab 14 by 15 by ^ inches, mounted in a black frame. Taken from a 



small cave that had become completely lilled up by the stalagmitic deposit. 

 Locality, about 20 miles uorthwest from Lexington, Rockbridge County. 

 Dr. George W. Ilawes. 20434. 



Limestone [marble]. Cress-section of a stalagmite. Oval in shape; about 8.} by 6 

 by 2 inches. Luray Cave, Page County. Robert R. Corson, 1881. 27050. 



Pink, crystalline. Near Aldio, Loudoun County. Miss Carter's quarry. E. 



Howard, 1883. 36788. 



Ul)per Silurian. Gray with pink spots; fossiliferona. Craigsville, Augusta 



County. Coral Marble Company. Tenth Census, 1880. 25481. 



Upper Silurian. Reddish; fossiliferous; eomi-crystallino. Craigsville, Augusta 



County. Craig's quarry. Tenth Census. 25598. 

 Dolomite [marble]. Red; finely crystalline. Madison Run Station, Orange County. 

 H. T. & W.G.Douglass, 1882. 261)89. 



Calcareous Dolomite [marble]. Palo ; pink ; crystalline. Loudoun County. Lou- 

 doun County Marble Quarry. Tenth Census, 1880. 27073. 



Marble. Red and green mottled. G by 4 by 1 inches. Ashby's Gap, Cumberland 

 County. A. S. Payne's quarry. Centennial, 187(!. 27198. 



Magnesian Limestone [marble]. Ui)per Silurian. Gray, with pink spots , fossil- 

 iferous. Craigsville, Augusta County. Coral Marble Company. Tenth Census, 

 1880. 25482. 



Gray, and dark-blue gray, nearly black. Two specimens. Near Natural 



Bridge, Rockbridge County. J. G. Steele's (juarry. Tenth Census, l8dU. 

 20752. 



Biotite granite. Medium; gray and greenish gray. Two specinuius. Namozin 

 district, Dinwiddle County. D. W. Lassiter's quarry. Tenth Census, 1880. 2.j27H. 



Medium; greenish gray. Namozin district, l)inwi(l(li(! County. Maylield 



quarry. Tenth Census, 1880. 25279. 



Medium; gray. Granite, Chesterfield County, Old Dominion Granite Conj- 



I'auy. Tenth Census, 1880. 2.527iJ. 



