Roxbury Rocking Stone. 59 
Epidote, massive and in crystals, Chester, Vt. This is 
connected with hornblende, some parts of which are in very 
beautiful crystals, grouped together in a form resembling a 
sheaf of wheat. 
Hornblende Slate, on the turnpike road, one mile south 
of Proctorsville, Cavendish, Vt. 
Marble, wrought at Swanton, Vt. of two kinds. The 
one is black, and is brought principally from Missisque 
Bay, within the Canadian territory, The other, which is 
dove-coloured, occurs about one mile south of Swanton 
village ; in which village is a large establishment for sawing 
and polishing this substance. Both kinds are susceptible of 
an excellent polish, and are manufactured into tombstones, 
chimney-pieces, window-caps, &c. &c.; and the marble is 
transported, for sale, to Montreal, Quebec, Boston, New- 
York, and various other places. 
Quartz, Mount-Holly, Georgia; Middlebury, and 
Chester, Vt. as 
Favosite, Champlain, N. Y. ee 
Fluate of Lime, a few rods below the bridge, Bellows- 
Falls. Also one mile N. W. of the Falls. It is green, not 
crystalized, in quartz. Rock crystal is very abundant in 
same locality. The Fluate of Lime, at this place, was 
discovered by Mr. Hezekiah M. Wells. 
Art. VI.—/ccount of the Roxbury Rocking Stone, ex- 
tracted from letters to the Editor by J. Porter, H.U. 
Cambridge, and T. H. Wess, Providence, R. I. 
This moveable rock is situated in erst Mass. about 
one mile, nearly south from Dr. Porter’s eeting-House, 
and about three fourths of a mile east of the Dedham turn- 
pike ; about one and an half mile south of the Boston line, 
and about five miles from Cambridge. It is easy of access, 
and stands with a majestic aspect, on an eminence in an 
open field; but it is not seen from the street, which passes 
within a few rods, on account of intervening trees. It is 
composed of the rele Stroe or Puddingstone, so predomi- 
eight to sixteen feet from the earth in- which it is imbedded. 
Itis oblong and very irregular, but resembles an egg in its 
