INDEX. 



535 



PXGE. 



Skinner mine, Clinton co. 19 



Smaltine 454 



Soapstone 58, 273 



Soda carbonates 197 



Soda, hydriodate of 200 



Soils 89 



Solar evaporation, manu- 



&cture of salt by 114 



Soude muriat^e 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 23, 385 



— oxide of iron. 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 or sul- 



phureous 141 



Spruce swamp mine, 



Orange county 6 



Stalactite 231 



Stalagmite 231, 232 



Staurolite 333 



Staurotide 333 



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 carbonat^e .... 212 



— sulfatte ...... 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 25 1 



— of potash 201 



— of soda 196 



— of strontian 210 



Sulphur 94, 181 



Sulphur springs 141 



— origin of. 153 



Solphuret 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 



Page. 



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 



VauqueUnite 418 



