240 Locahties of Mineruais. 
About three miles West of the tavern in Haddam, in a 
cross road, Dr. Webster says, “1 discovered in a vein four 
inches wide and four feet long, in a decomposed mica slate, 
and in the sand proceding from its decomposition, the 
finest crystalized epidote, which I have seen from an 
American locality ; the specimens are, many of them, pre- 
cisely like those from the Oisans. We have here, in short, 
the pistacite, zoizite, and epidote arenace. 
[Mineralogists, are generally aware that the only 
known locality, of crysoberyl in place, is in Haddam.” Itis 
in a very beautiful granite, consisting principally of a white 
feldspar and a grey quartz, the parts very large, and it 
abounds with garnets, some of them of a great SIZE, with 
tourmalins and fine fibrous white tale. This rock is in the 
court-yard of a dwelling house, and passes under the house, 
into its cellar. Mineralogists have found it necessary, and 
just, to insure the proprietor of the house, against their gun- 
powder blasts, and to pay him liberally for the molestation 
of his peace.]|— Ed. Of this rock, Dr. Webster observes ; 
The rock containing chrysoberyl, is undoubtedly a vein, 
traversing gneiss, we believe. J obtained permission to 
blast, and diground forsome yards. The part which had been 
hitherto concealed by earth, is most abundant in garnet, and 
I obtained masses two feet in length, with perfect garnets, 
four, five and six inches in diameter, but all laminated. In 
one specimen, consisting chiefly of mica,are very perfect black 
tourmalins. In the mica slate of this vicinity, I found con- 
siderable actynolite. 
At about three miles beyond Jewitt’s city, on the left 
of the road to Norwich, is a magnificent example of a:con- 
centric globular concretion of gneiss, many yards in diame- 
ter, the only instance I know of in this part of the United 
States. At Bozra, I found tourmalins, and fine graphic 
granite ;—at Tolland, remarkably transparent eurnets): of a 
nearly rose red colour—also, good epidote of an olive 
green ;—At Tolland, graphite disseminated through rolled 
masses of granite and gneiss ;——at map bule es adularia® ;— 
at Charlton, radiated tourmalin. 
*Mr.T. D. Porter, has shewn us specimens of adularia from Haddam.[Fd.} 
