Miscellaneous Localities of Minerais. 253 
a a structure distinctly foliated, with a shining! -» 
e.* 
a Oe hornblende, well crystallized, at Washington 1 near 
Pittsfield 
~ Graphite, at Lanesborough. 
se i of manganese, yielding vital air in » abundance, a 
Plainfie 
Pnksld September, 1823. 7s : 
= sitcmuasel Localities by Mr. ie ia Tsceap x: ex- 
et of a letter to the Edito 
Providence, ‘Now. Sth, 1828. 
“In the course of last summer I visited ce following, lo- 
calities of minerals. Some of them have been known a long 
time to individuals ; = none of them have been noticed in 
the Journal of Scienc afl. Be iad 
1, Feldspar, in poh a stals of an inch nd a half i 
diameter, at Barkhampstead. — ieee Stay sone 
2. Actynolite in potstone, at do. 
. Prismatic do. at 0. 
adiated quartz, at Canton. _ saint ae 
. Kyanite, from a new locality in Chesbee: eratig 0 
The specimens which | obteingdis iene 
in the turnpike road, leading from ° 
Haddam, a few rods east of Mr. Asher Rowley’s... The 
crystals are imbedded in quartz. and cross,each other im ev- 
ery direction. Their colour is. rammeral lym pale eticsro 
Occasional spots of deep blue. _ ow 
9. Garnets. in mica slate, at Haddam. s 
They are found about woe by rods east of the Landing. 
CO -3 D> Kb 69 
w 
“6 
a 
a= ‘ 
° 
o* 
po 
Coad 
ra 
is'] 
3 
=e) 
to 
> 
o 
= 
= 
They occur. in vast abundance, and.are from one be hited | 
diameter. Those. which have. been ‘no! 
feta esis Cobels, miemnaee tain rs 
With the rotate i ef roe 8 | 
10. ewdate ot Plaip nfield. 
gf mie splenig 
11. Gneiss SOP MAY « stratified. at do. 
men three fourths of an inch thick, wnich contains ten dis- 
tinct layers. avcte a7) | F ane 
* Published as Tremolite, i in Am. Jour. Vol. Vi, No. 2a." 
4 
