220 Geology, Sc. of the Connecticut. 
29. Chrysoberyl. At Haddam, on both sides of the river, 
in six-sided prisms and six-sided tables, in granite. (Gibbs. 
30. Zircon. At Sharon, Litchfield county, in quartz. 
(Siliman.) Also at Brimfield, in gneiss. (Euton.) 
. Siliceous Slate. 
1. Basanite. Sometimes fonnd m alluvial soil on the 
banks of Deerfield river; but perhaps brought thither by: 
the aborigines, who made use of this and of jasper for conte 
to their arrows_and pikes. 
82, Pitchstone Near New: -Haven. (Silliman. Mics 
33. Mica: BS ces : 
1. Laminated. At Leverett, Alstead, &c. 
2. Lamellar. -At Woodbury it is violet, (Silliman.) Also 
at Goshen, Mass. yellowish green and violet, and some- 
times in rhombic tables. (Gibbs.) Of the same aioe 2 
Bellows Falls, in granitic veins. (Silliman.) Most o 
mica in the granitic veins in Conway, Ashfield, a 
burgh, Chesterfield, a is straw yellow, sometimes rose- 
red, and in these ve ns it exists in excess. It occurs in 
these and other foie te in granite of a smoky or nearly 
black color 
. Prismatic Mica. Near Watertown. Oye At 
Litchfield. (Brace.) 
a4, Shori. Bei 
1. Common Shorl. At Heads ee six- sided prisms, ter- 
nmainated by three-sided pyramids. (Gibbs and Webster.) It 
occurs in almost every town in the primitive region along 
the Connecticut. Localities where it is found abundant. 
or beautiful, are Pelham, Shatesbury, Orange and Brattle- 
borough. At the latter. place it is found abundantly near 
the centre of the town in mica slate or hornblende slate; 
nd also near the northdine of the town (mentioned in 
Cleaveland’s Mineralogy ‘as occurring in Dummerston, ) it 
