Ol 
= Greasy Quartz—in same place. 
Geology of Deerfield, §c. 116 
7. Pseudomorphous Quartz—in greenstone, Deerfield. 
8. Lamellar Quartz—in same place. The lamine some- 
times penetrate crystals of common quartz. 
9. Tubular or Pectinated Quartz—in same place: 
10. Quartz Geodes—in same place. 
Prase—in the north part of Sunderland. (Not good speci- 
mens. ) 
Amethyst—in Greenstone, Deerfield: the colour is not 
deep, but delicate. 
Chalcedony—in same place—considerably aburidant, but 
_ generally in small masses. 
Carnelian—in same place, not plenty. The chalcedony, in 
some specimens, seems to be passing into cacholong, and 
the carnelian into sardonyx. ' 
Agate—in same place. It is made up of chalcedony, carne- 
lian; and quartz. They are generally small, but’ some 
are elegant: 
Jasper, red and yellow—found in rolled masses on the banks 
of Deerfield river and in Leyden. Some has been found 
imperfectly strived. It occurs frequently as it was form- 
ed by the aboriginals into barbs for pikes and arrows. 
Petrosiler—on the banks of Deerfield river—not good spe- 
cimens, z 
Feldspar—the red variety occurs im puddingstone, Déer- 
field. Itis not necessary to mention any other locality 
of a mineral so common. 
Hornblende—very abundant—mostly black in this vicinity. 
Mica—this is very abundant on the east side of Connecticut 
river. Some crystals of it have been found in Amherst. 
utesbury. 
‘taltte—The localities of this are seen on the section. 
The aboriginals formed many articles from this mineral, 
as pots, pipes, &e. 
Chlorite—in Shutesbury : also in amygdaloid, Deerfield. 
In Deerfield academy there are some Indian pipes of this 
mineral, well wrought. 
Green Barth—in small quantities, in amygdaloid, Deerfield. 
Vou L...No, 2. te 
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