Mineralogy and Geology. 427 
seb has been attributed to this county, (Antwerp,) but its lo- 
cality is los 
Tremolite, occurs in hep Fannin occasionally in cavities of 
Black river and ‘l'renton limes 
Ia addition to the foregoing roe usual variety of minerals, occur scat- 
fered i in detached pions over the country. 
tv. Lawrence Coun he uncommon splendor and Hirai of 
minerals brought to fae ree the mania for mining speculations, which 
prevailed throughout the county about ten or twelve years ‘ince, has 
rendered St. Bawrence county proverbial for its mineral localitie 
Most of these enterprises having proved unprofitable, and me ruin- 
_ ous, to those engaged in them, have been abandoned, and the iron mines 
_ are the only ones that are now wro ught. No probability exists of any 
of them oe ever resumed, and consequently many minerals formerly 
an be no longer procured at their localities. This applies 
Bécially pn the dead mines of Rossie, which were discontinued about 
ten years since. 
__ A vein of spar was often the only inducement to engaging in a po 
ing operation, and many elegant specimens were obtained in these 
terprises, which can no longer be procured. The following minal 
Occur at present in the county, being all of them more or less accessi- 
ble, and abundant, with the exceptions gps tio 
pert mineral, in a calcareous spring, Governeur. 
Apatite, Ressio, Hammond, &c. ood i Se readily prognted 
with litle labor and expense. A new ‘s ocality was acciden tally di dise 
S. in Rossie, about two miles from the village of Oxbow, in the fall 
‘LF 
Albite, Governeur, Fowler, &c., in granite. 
Agate.. A coarse variety in com er. 
do ubtful. ani oko 
Morristown, DeKalb, Fontan Macomb. Several of i its lo- 
elites are now inaccessible ; 
Calcareous spar. Gaverienr, Rossie, Russel, &c. The large lim- 
pid crystals from Rossie, are no longer proc e. 
Calcareous ah frequently met with in calcareous springs. 
Eecetony. wler. 
Carbonate ‘bg tron. Iron mines, Rossie, i ari specimens occa- 
sionally. athe ; those of ordinary quality frequen 
Chondrodite. ‘*Governeur near Somerv ville.” "This locality was a 
boulder, and has been carried off. Frequent in Rossie, near Yellow 
lake, in detached masses. 
Dolomite. Hammond. 
ond, ea 
