INDEX. 
535 
Page. 
Skinner mine, Clinton co. 
19 
Smaltine . 
454 
Soapstone . . 
.. 58, 
273 
Soda carbonatee .. . 
197 
Soda, hydriodate of 
200 
Soils . 
89 
Solar evaporation, 
manu- 
facture of salt by 
114 
Soude muriatee ... 
198 
— sulfate . 
196 
Soufre . 
181 
Sour spring. 
149 
Spath en tables ... 
270 
Spathic iron. 
397 
Spathose iron. 
397 
Spear pyrites. 
393 
Specular iron .... 
23 
— iron ore. . .. 
385 
— oxide of iron 
l. 23, 
385 
Sperkise . 
393 
Spessartine . 
323 
Sphene . 
433 
Spinelle . 
315 
— soft . 
318 
— zincifere ... 
319 
Spodumene . 
368 
Spongiform quartz. 
259 
Springs, acidulous or car- 
bonated. . , 
134 
— brine.. 
99 
— catalogue of, 
160 
— gas . 
128 
— mineral ... , 
99 
— nitrogen . . ., 
133 
■— • petrifying... 
156 
— sulphuretted < 
ar sul- 
phureous , 
141 
Spruce swamp 
mine, 
Orange county. .. 
6 
Stalactite. 
231 
Stalagmite. 
231, 
232 
Staurolite. 
333 
Staurotide. 
OOO 
OOO 
Steatite. 
273 
Steatitic pyroxene .. 
297 
Page. 
Stellite. 342 
Sterling ore bed, Jefferson 
county. 26 
Stilbite. 345, 346, 350 
Stirling mine, Orange co. 5 
Stone paints. 60 
Strellite. 312 
Stromnite. 213 
Strontiane carbonate.... 212 
— sulfat£e ...... 210 
Strontianite.... .. 212 
Strontites. 212 
Subsulphate of alumina .. 320 
Succin. 185 
Sulphate of alumine and 
potash. 202 
— of barytes. 204 
— of iron.399 
— of lead. 415 
— of lime. 61, 237 
— of magnesia.251 
—• of potash. 201 
— of soda. 196 
— of strontian.210 
Sulphur.94, 181 
Sulphur springs. 141 
— origin of. 153 
Sulphuret of arsenic .... 439 
— of bismuth ...... 447 
— of copper ... 52, 422 
— of iron. 387 
— of lead.44, 412 
— of molybdena . .. 438 
— of silver. 443 
— of zinc. 52. 408 
Sulphuretted hydrogen .. 173 
— hydrogen gas.... 173 
— or sulphureous 
springs. 141 
Sulphuric acid. 177 
Syracuse brine springs. .. 105 
T. 
Tabular spar . •.270 
Talc. 284 
Paob. 
Talc-slate. 284 
Tantalite. 449 
Tephroite... 455 
Terenite. 444 
Tetarto-prismatic feldspar, 342 
Tetarto-prismatisches 
melan-erz, 440 
Thallite. 354 
Thomsonite ..350 
Tin ore. 455 
Titane oxide. 428 
— siliceo-calcaire . .. 433 
Titanic acid. 428 
Titaniferous iron ore .... 432 
Titanium and its ores.... 55 
Topaz. 455 
Topazolite. 324 
Torf. 192 
Torrelite. 407 
Tourbe. 192 
Tourmaline. 356 
Townsend mine, Putnam 
county. 11 
Tremolite. 298 
Triphane. 368 
Triplite. 455 
Trofbare schwefel saure . 177 
Troostite. 456 
Tufa, calcareous. 156 
Tufaceous iron ore. 36 
— marl. 234 
Tungstate of lime. 456 
Tungsten. 456 
Tungstic ochre. 456 
Turf... 95, 192 
U. 
Umber. 29 
Untheilbarer retin-allo- 
phon. 396 
Uranite. 456 
V. 
Variegated pyritous cop¬ 
per . 453 
Vauquelinite. 4 18 
