INDEX. 
534 
Page. 
Pyrophyllite. 368 
Pyroxene. 286 
— steatitic.297 
a. 
Quartz . 257, 444 
Quarz. 257 
Q leensborough mine, 
Orange county. 10 
R. 
Radiated asbestus .. 301, 313 
— pyrites. 393 
— sulphuret of iron . 393 
Raphilite. 454 
Red chalk. 30 
Red clay ironstone. 23 
Red copper ore. 421 
Red hematite ... 23, 24, 385 
Red iron ore. 385 
Red ironstone. 24 
Red ochre. 23, 30 
Red oxide of copper .... 421 
— of titanium . .. 428 
— of zinc. 454 
Red siliceous ironstone .. 23 
Red zinc ore. 454 
Reines atmosphar gas ... 176 
— atmosphar wasser, 178 
Rensselaerite .. 68, 277, 297 
Retinalite. 273 
Rhretizite. 365 
Rich iron mine, Orange 
county.. 7 
Rhodonite ... 406 
Rhombohedral apatite . .. 239 
— corundum. 314 
— emerald. 374 
— graphite. 186 
— iron ore. 385 
— iron pyrites. 392 
— lead spar. 417 
—• limestone.215 
•—■ molybdena. 438 
— quartz. 257 
Page. 
Rhombohedral sparry iron, 397 
— talc-mica. 369 
— tourmaline. 356 
— zeolite. 353 
Rhomboedrischer blei- 
baryt . 417 
— korund. 314 
— kuphon-spath.... 353 
— melan-graphit .. 186 
— perl-glimmer .... 361 
— quarz. 257 
— smaragd. 374 
— talc-glimmer .... 369 
— turmaline. 356 
Rhomboedrisches eisen-erz, 385 
— eisen-kies.392 
— flus-haloid. 239 
— kalk-haloid. 215 
Robinson lead vein. 50 
Rock crystal. 258 
— wood. 299 
Rocklandite.281 
Roman cement. 75 
Ross lead vein. 50 
Rossie lead mine. 48 
Rubellite. 357 
Ruby. 315 
Rutgers mine, Clinton co. 19 
Rutile. 428 
S. 
Sahlite. 286 
Salina brine springs. 104 
Salines. 99 
Salmare. 198 
Salt, epsom.-. 251 
— common, manufact. of, 111 
■—• processes of manufac¬ 
ture in Onondaga 
county. 114 
— foreign and Onondaga 
compared. 118 
— quantity of, manufac¬ 
tured at the Onon¬ 
daga works. Ill 
Page. 
Salt, proportion of, in vari¬ 
ous brines. 112 
— improvements in the 
manufacture of. .. 113 
Sanford mine, Essex co. 15, 16 
Sapphire . 314 
Saquoit mineral spring .. 144 
Saratoga springs. 134 
Saussurite. 454 
Scapolite... 329 
Schaalstein. 270 
Schiller spar. 311 
Schorl. 356 
Schwarzes erd-harz. 182 
Scolezite. 350 
Scorodite. 396 
Sea water. 179, 180 
Selenite.61, 237 
Seneca sulphur spring. .. 151 
Septaria. 217, 255 
Serpentine. 57, 272 
Sesquiphosphate of lime.. 239 
Sesquisilicate of alumina . 365 
— of manganese.... 407 
Sesquisulphide of arsenic. 439 
Seybertite. 361 
Sharon sulphur spring. .. 142 
Shawangunk mine. 50 
Shot ore (iron). 29 
Siderose. 397 
Silicate of iron. 404 
— of magnesia .... 283 
— of manganese . .. 406 
Siliceous borate of lime.. 246 
— hydrate of magnesia, 272 
— or sandy soil. 90 
— sinter .. 259 
— oxide of manganese, 406 
— oxide of zinc. 450 
Siliciferous oxide of man¬ 
ganese . 406 
Silico-calcareous oxide of 
titanium. 403 
Sillimanite. 364, 454 
Silver black. 443 
