Far 
260 Lead Mines, &c. of Hampshire County, Muss. 
Plumose mica. In Williamsburgh, in granite. This mi- 
ca is often in the form of plumes, some of which are six in- 
ches in length. 
Graphic granite. At Williamsburgh. Among the curi- 
ous resemblances to written characters, I observed one like a 
large capital J. This curious assemblage I believe is found 
only in granite veins, or where granite lies near mica slate. 
ragus stone.~ In Williamsburgh, in granite in prisms 
or cylinders, several inches in length, and another variety of 
Phosphate of lime. In Williamsburgh, in mica slate, not 
having any describable form. 
ite marble. In Goshen, in a boulder dug up in excava- 
ting the earth for a mill race. Also, at Williamsburgh, ina 
rounded mass... Also, at Cummington. 
Cummingtonite. At Chesterfield and Goshen, in mica 
t 
ate. ; 
Talc. At Cummington, in steatite, associated with bit- 
Yr spar. 
Actynolite. At Williamsburgh, in talcose slate. 
Faseiculite, (radiated hornblende. ) At Williamsburgh. 
Also, in taleose slate. 
: Staurotide. At Goshen, Cummington and Chesterfield, 
i mica slate stratified; it lies between the strata, so that 
plates may be obtained full of crystals. 
_ Serpentine.—In Williamsburgh, lying in masses here and 
there ; this is the common serpentine. 
recious Serpentine. At Williamsburgh, in a bank form- 
ed by a stream cutting down into the tertiary formation.— 
This serpentine is fully equal to that of New-Haven; it ex- 
ists only in small blocks. 
Green jasper, was found in the same bank in small blocks. - 
Red jasper, was also found at the same locality. 
| Milky quartz. At Chesterfield, in nests in mica slate, and 
-n blocks and boulders, sc upon the ground. 
: Amethystine quartz. At Chesterfield, in granite. This . 
quartz is nearly transparent or limpid, and is highly colored. 
Ferruginous quartz. At Williamsburgh, in blocks. It 
strongly attracts the needle. 
rie Cr stalized quartz is found wherever there is a vein of ga- 
ena. It is generally in six-sided prisms, with pyramidal ter- 
vomations 5. sometimes it is mammellated, at others cellular. 
Some er etaus are transparent, others not at all so. I have 
