milLDING AND ORNAMENTAL 8T0NES. 549 



Muscovite biotite gneiss. Fine; gniy. Jcllcrsou, Lincoln County. J. P. CJlid- 

 dt'n's (|ii;iriv. Ti'iit li Census, l.-SO. ;2()4S(). 



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

 County, llallowell Granili' Company. Tenth Census, 188l>. 2(i'.i'A^>. 



J'inci; veiy light gray. Near Hallovvell, Kenuebec County, llallowell (Jrauite 



Company. Tenth Census, IHSO. 2()3li(J. 

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

 pany. Tenth Census, ISHO. '2('):>rt.'). 

 Hornblende biotite granite. Coarse ; gray. Lincoln, I'enobscot County. Jewell 

 (iranitc ('ompaiiy. Tenth Census, LSSd. 27U84. 



Fine; very dark gray, nearly black. Saint George, Knox Ccunity. Long Covo 



(Jranitc^ Conii).iny. Tentii Census, ISSO. 'JC.lTli. 

 Hornblende granite. Coarse; r(>d ; very tough and hard. Otter Creek, Hancock 



CiiiMily. (_>tter Creek quarry. 'J'enth Census, 18H0. 27178. 

 Talcose schist. Fine; compact; dark gray. Kuights\'ille, Cumberland County. 



r. C. Manning, L88;5. 28117. 

 Blceolite syenite.* Coarse; light gray, yellow spotted. Near Litchlleld, Kenne- 

 bec County. Tenth Census, 18*0. 

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

 surlace: used lor monumental work. Addison Point, Washington County. Col. 

 Edward Clark, ISsL 25022. 



Devonian ; medium ; dark gray, s^jotted black and white on a })olishe.d surface; 



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

 work. 8ix miles southeast of Addison Point, Washington County. Pleasant 

 liiver Black Granite Comitany. Tenth Census, 1880. 2r)92.'). 

 Diabase. Ii(!vonian ^ '!) ; medium ; <lark gray, s[)otted l)lack and white on a i)olished 

 surface; kiu)wn connuer(nally as black granite, and is largely used for mon- 

 umental work. Addison, Washington Couutj'. 11. B. Nash's (juarry. Tenth 

 Census, lS,-d. 2tiU72. 



J''ine and compact; very dark gray, blaci-c on a polished surfaet^ ; used chielly 



for moninnental work. Vinal Haven, Kiuix County. Bod well Granite (Com- 

 pany. Tenth Census, 1880. 2<;i(;7. 



Slate. P.iue-black. Monson, Piscata((Mis County. (^Miarries of Monson Pond Shite 

 Company. Tenth Census, 1.S80. 2.^)().")L 



Bine-black. Browuville, Piscataquis County. (.Quarry of Adams II. Merrill. 



Tentli Census, 1880. 2r)ti.")2. 



Blue-black. Monson, Piscataquis County. C^uarries of Dirigo Slate Company. 



25819. 



MAKYI.ANl). 



Steatite [.soapstone]. Coarse; rust spotted. l?ethesda, i\I(uit,gomcry County. C. 

 W. Lansdale. 2.j0iG. 



Fine and compact; dark blue-gray. On Liberty road, about 15 nnles from 



Baltimore. Quarries of Baltimon; and North Branch Soapstone Company. 

 Tenth Census, 1880. 26028. 



Serpentine. Light and daik green, streak(Ml and mot tied ; line grained and com- 

 pact; takes a high polish. Five spocinieus: oik; 12.^ by 4J by i inches, ])()lished 

 on both sides; one 5 by 3^ by 1^ inches; and three 4 inch cubes. Dublin, Har- 

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

 Bye, 1881. 2G173. 



The ekeolite syenite is not used for l)uilding purposes, and is of doubtful utility. 



