428 Scientific Intelligence. 
Graphite. Rossie, Governeur, Dekalb, &c. 
Hematite. lron mines, Rossie, Governeur, &c. 
Hornblende. Dekalb, Rossie, ‘Governeuy; Potsdam, Pierrepont, ie. 
Hyalite. Quartz, with the appearance of hyalite, is associated with 
apatite and zircon, in Hammond and Rossie. 
Idocrase. Governeur. 
Tron, (bog ore.) Hermon, Brasher, Fowler, Governeur, Canton, &c. 
Iron, (magnetic. ) Edwards, Russel, Pierrepont. 
Iron, (specular.) Hermon, Rossie, Governeur, Edwagds, Canton, 
Pierrepont and Fowler. Often beautifully crystallized fad associated 
with interesting minerals. It is the most important iron ore in the county. | 
ica. Governeur, near A eepesdon in serpentine. Edwards, Ma- 
comb, Potsdam, Rossie, 
Pargasite. Rossie, pteinsd: Russel, Hermon, &c. 
* 
decahedron with triangular faces. Spongy quartz occurs in DeKalb. 
Rutile, — to Governeur. No locality known in that town, 
or in the 
Sca otkte,” Governeur, in great abundance, in primary limestone, as- 
ooaire with — pargasite, and formerly with apatite. The latter 
eral od 
" Rotsie, Fowler, Pitcairn. In each of its localities it is. 
iiiedéied with serpentine. 
Serpentine. Governeur, near the tremolite locality. Edwards, 
Pitcairn, pape DeKalb, Hermon, Fowler, Russel, Canton, Fine, Col- 
o of the abov es ne serpentine occurs in ledges, a and is 
pies 8g wit primitive limestone. 
Renss ite, occurs in ps all the above mentioned towns, it is of 
every ada of white, black, green, &c., and occurs crystallized, ra- 
diated, fibrous, laminated, and cleavable. The brecciated variety, is a 
* 
2 
oO in some 
at Kearney mine, near Somerville, it is beautifully variegated. e 
texture of this variety is so fragile, as to fall to pieces upon receiving 
a slight blow from a hammer. Varieties which have received the name 
of soapstone, and have been wrought into various ornamental articles, 
occur in Fowler, Edwards and Russel. It is often of a snowy white- 
ness, ~ nig by —— gradations into tale, and tremolite 
ossie, n pale re an brow n crystals, with apatite, at 
gate "Aeneid with mica, in serpentine, in the town of Gu 
one near the ee of Somerville. Crystals of a large size, (one 
two inches on a side,) have _ found oere but they are rare. 
Sinall brilliant crystals are comm The small crystals are very 
perfect, but the larger ones are mak ‘blended = the matrix. Color 
pink and reddish brown. 
sa of barytes. Governeur, in highly crystalline and fibrous 
Siecces owler, Rossie, DeKalb. 
cote strontia formerly found in lead mines, Rossie. Local- 
ity Garscuaaih le. 
