Steatite. The localities of this are seen on the section. The aboriginals formed many articles from this mineral, as pots, pipes, &c.
Chlorite—in Shutesbury: also in amygdaloid, Deerfield. In Deerfield academy there are some Indian pipes of this mineral, well wrought.
Green Earth—in small quantities, in amygdaloid, Deerfield.
Schorl—the black variety occurs in Pelham, Shutesbury, and Orange, Mass., and in Brattleborough, Vermont.
Epidote—in Deerfield, Shutesbury, Leyden, and Pelham, and in Athol, Worcester county. The specimens poor.
Tremolite—in the west part of Leyden, near Green river. The rock in this region is chiefly mica slate, and the quantity of tremolite is very great. Tons of it might be easily collected.
Cyanite, or Sappare—in Deerfield, in mica slate; discovered by Dr. S. W. Williams.
Actynolite—rare, found in Shutesbury.
Serpentine—found in Leyden in rolled masses. Some of the specimens admit a fine polish, and the ground is handsomely variegated. It has not been noticed in situ.