Catalogue of Specimens. 667 



833 Talc, quartz, and Carbonate of Iron, Hawley. 



834 Quartz with Hydrate of Iron, do 



835 Talc, Quartz, and Hornblende, do 



836 do Charlemont. 

 837, 838, 839 do Hawley. 



840 Talc, Quartz, and Feldspar, Smithfield, R. I. 



841 do porphyritic, Hawley. 



842 Talcose Slate, with octohedral oxide of Iron, Hawley. 



843 do do Blanford. 



844 Micaceous Oxide of Iron, Hawley. 



845 Mag-. Ox. Iron, Native Mag-net, Somerset, Vt. 



846 do with ferro-silicate of mang-anese, Cumberland, R. I. 



847 do porphyritic with crystals of feldspar, do 



848 Porous quartz with hydrate of iron, gangue of gold, Somerset, Vt. 

 849, 850 do in talcose slate, with do ) Virginia 



Put in the collection for comparison. $ 



851 Gray Oxide of Mang-anese, Plainfield. 



852 Bisilicate of Mang-anese, Cumming-ton. 



853 White bitter spar, Middlefield, Soapstone Quarry. 



854 do with green foliated talc, do 



855 Salmon colored do, do do 



856 Miasite, Zoar. 



857 do ? do 



858 Picrosmene 1 do 



859 Asbestus, Pelham. 



860 do Blanford. 



861 do Shutesbury. 



862 Tremolite, probably from Soapstone Quarry, Middlefield. 



863 Fibrous Hornblende in Quartz, Plainfield. 

 864, 865 Fasciculite in talcose slate, do 



866 Crystallized Actynolite, in talc, Blandford. 



867 do Windsor. 



868 do from Soapstone Quarry, Blanford. 



869 do radiated, do do 



Serpentine. 



870 Compact noble Serpentine, polished, Lime Quarry, Newbury. 



871 do with massive g-arnet, polished, do 



872 do with green amianthus, do 



873 Common Serpentine, compact, Newbury. 



874 do do Chester, west part. 



875 do do polished, Middlefield. 



876 do slaty, Chester, West part. 



877 do with grains of chromate of iron, Windsor, N. E. part. 



878 do do N. W. part. 



879 do in place, Blanford. 



880 do a bowlder, do 



881 Black compact Serpentine, Newport, R. I. 



882 Variegated do do 



883 Dark green compact do, a bowlder, Leverett. 



884 Dark gray compact do Lime Quarry, Chelmsford. 



885 Dark green do with. veins of amianthus and Deweylite ? Russell. 

 886, 887 Compact do with a talcose glazing, Zoar. 



888, 889 Serpentine steatite and brown spar, do 



890 Black do and talc, or talc passing into serpentine, New Salem, 



do and do polished, Pelham. 



892 Dark green do with do do Blanford. 



Black do with do and actynolite, Westfield. 



894 Light green compact do with schiller spar ? polished, Russell. 



895 Black compact do with talc, do and calcareous spar, polished, Granville. 



