BUILDING AND ORNAMENTAL STONES. 549 



Muscovite biotitc gneiss. Fine ; gray. Jefferson, Lincoln County. J. P. Glid- 



den's quarry. Tenth Census, 1880. 26486. 

 Muscovite biotite granite. Fine; very light gray. Near Hallowell, Kennebec 



County. Hallowell Grauite Company. Tenth Census, 1880. 26335. 



Fine; very light gray. Near Hallowell, Kennebec County. Hallowell Grauite 



Company. Tenth Census, 1880. 26330. 



Fine; light gray. North Jay, Franklin County. Maine Central Railroad Com- 

 pany. Tenth Census, 1880. 26385. 



Hornblende biotite granite. Coarse ; gray. Lincoln, Penobscot County. Jewell 

 Granite Company. Tenth Census, 1880. 27084. 



Fine; very dark gray, nearly black. Saint George, Kuox County. Long Cove 



Granite Company. Tenth Census, 1880. 26176. 

 Hornblende granite. Coarse ; red ; very tough and hard. Otter Creek, Hancock 



County. Otter Creek quarry. Tenth Census, 1880. 27178. 

 Talcose schist. Fine; compact; dark gray. Knightsville, Cumberland County. 



P. C. Manning, 1883. 28117. 

 Elaeolite syenite.* Coarse; light gray, yellow spotted. Near Litchfield, Kenne- 

 bec County. Tenth Census, 1880. 

 Olivine diabase. Devonian (?) ; medium; dark gray, nearly black on a polished 

 surface; used for monumental work. Addison Point, Washington County. Col. 

 Edward Clark, 1881. 25022. 



Devonian ; medium ; dark gray, spotted black and white on a polished surface; 



known commercially as black granite, and is used largely for monumental 

 work. Six miles southeast of Addison Point, Washington County. Pleasant 

 River Black Granite Company. Tenth Census, 1880. 25925. 

 'Diabase. Devonian (?) ; medium ; dark gray, spotted black and white on a polished 

 surface; known commercially as black grauite, and is largely used for mon- 

 umental work. Addison, Washington County. H. B. Nash's quarry. Tenth 

 Census, 1880. 26072. 



Fine and compact; very dark gray, black on a polished surface ; used chiefly 



for monumental work. Vinal Haven, Knox County. Bodwell Granite Com- 

 pany. Tenth Census, 1880. 26167. 

 Slate. Blue-black. Monson, Piscataquis County. Quarries of Monson Poud Slate 

 Company. Tenth Census, 1880. 25651. 



Blue-black. Browuville, Piscataquis County. Quarry of Adams H. Merrill. 



Tenth Census, 1880. 25652. 



Blue-black. Monson, Piscataquis County. Quarries of Dirigo Slate Company. 



25819. 



MARYLAND. 



Steatite [soapstone]. Coarse; rust spotted. Bethesda, Montgomery County. C. 

 W. Lansdale. 25016. 



Fine and compact; dark blue-gray. Ou Liberty road, about 15 miles from 



Baltimore. Quarries of Baltimore and North Branch Soapstone Company. 

 Tenth Census, 1880. 26628. 



Serpentine. Light and daik green, streaked and mottled ; fine grained and com- 

 pact; takes a high polish. Five specimens; one 12£ by 4| by £ inches, polished 

 on both sides; one 5 by 3$ by l-£ inches; and three 4 inch cubes. Dublin, Har- 

 ford County. Quarries of Green Serpentine Marble Company. E. Mortimer 

 Bye, 1881. 26173. 



*The eheolite syenite is not used for building purposes, and is of doubtful utility. 



