288 Scientific Intelligence. 
thus — another needle of sul phuret of nickel projected up- 
wards. e penetrating erysials are not in the least distorted. 
The larger ones of this specimen would admit of goniometrical meas- 
ement. 
Chemical Examination—A small fragment of one of the larger 
serystals heated in an open tube, er a strong odor of su/phurous 
= . The roasted mineral which was black, but unaltered in form, 
s treated with hydrochloric acid, no action was ma nifest upon addi- 
a pure salt of nickel. a reaction is chiefly valuable as proving the 
absence of iron and 
above rk nomena with a certain rather slight degree of satura 
The small quantity of mineral has prec uded a more sae de 
amination. Hereafter the associated specular iron, and spathic tae 
will be examined for nickel. 
New Mineral Localities in New York; by Dr. F. B. Hoven, 
(communicated for this Journal. )—Pearl Spar, has been discovered of 
a fine quality, in the town of Rossie, St. Lawrence count t occurs 
in seams and crevices of white limestone, in a precipitous bank on the 
gan ae nit the Oswegatchie river, and can be procured in considera- 
e quan 
As Pes the with _— is calcareous spar, crystallized in the forms 
most common in the vicinity, viz., the scalene dodecahedron with ee 
summits of the pyramids replaced by three rhombic faces. Anothe 
forms, occurs about a mile south of the village of Gouverneur, St. Law- 
rence county, in white limestone and associated with scapolite 
i crystals attain a diameter of one or two ald but the specimens 
which are best characterized are much smal 
Iphuret of copper, in limited neu nik, ‘has lately been “discov 
ered near Vrooman’s Lake, in Antwerp, Jefferson county. Associ iated 
with this was fluor spar, and beautifully crystallized calcareous spar. 
Sulphate of barytes, on the farm of Judge E. Dodge, in Gouverneur, 
St. Lawrence county, of a highly crystalline structure, and assoc ociated 
with fluor and calcareous pee: This locality is in the northwest part 
