228 Geology, ^fc. of the Connecticut. 



1. Common Talc. At Haddam, Litchfield and Southamp- 

 ton. (CJeaveland) Also at Cummington in steatite. (J. Por- 

 ter.) Also at Middlefield in steatite. (Dewey.) Also at 

 Windham in steatite — laminae very large and beautiful. (Hall.) 

 Also in New Fane in steatite — specimens laminated and el- 

 egant. (J. A Allen.) Also at Pelham, associated with ser- 

 pentine and asbestus. Also at Rowe. 



2. Indurated Talc. At Milford marble quarry. (Silli- 

 man.) 



3. Scaly Talc. At Windham and New Fane. (J. A. 

 Allen,) 



59. Steatite. 



1. Common Steatite. Near New-Haven and at Litchfield. 

 (Cleaveland.) Also at Middlefield connected, with serpen- 

 tine and mica slate, and crystallized in six sided prisms ter- 

 minated by six sided pyramids. (Dewey.) Also at Grafton 

 and Windham. (Hall.) Also at New Fane and Marlbo- 

 rough (J. A. Allen.) Also at Savoy and Cummington (J. 

 Porter.) Also at Westminster, Vermont, where, as well 

 as at Grafton, it is wrought into aqueducts and answers a 

 valuable purpose. Also at New Salem forming a bed in 

 gneiss. 



2. Potstone. At Grafton, Vermont, in large quantities. 

 (Hall.) 



60. Chlorite. 



1. Common Chlorite. Near New-Haven, penetrating 

 quartz and calcareous spar, and in greenstone. (Silliman.) 

 Also at Saybrook, crystallized. (T. D. Porter.) Also at 

 Wardsborough, Vermont, in dark green folia. (Dewey.) 

 Also at Halifax, Leyden, Conway, &,c. foliated. Also at 

 Miller's Falls in Montague penetrating milk white quartz. 

 Also at New Salem. Also in greenstone amygdaloid at 

 Deerfield, Greenfield, Gill, 8tc, It fills two thirds of the 

 cavities in some varieties of greenstone, and to the naked 

 eye has a radiated aspect, but Professor Dewey remarks, 



