534 



PlOX. 



Pyrophyllite 368 



Pyroxene 286 



— steatitic 297 



a 



auartz 257, 444 



auarz 257 



dueensborough mine, 

 Orange county 10 



R. 



Radiated asbestus .. 301, 313 



— pyrites 393 



— sulphuret of iron . 393 



Raphilite 454 



Redchalk 30 



Red 'clay ironstone 23 



Red copper ore 42 1 



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 



Rhaetizite 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 



INDEX. 



Fioz. 



Rhombohedral sparry iron, 397 



— talc-mica 369 



— tourmaline 356 



— zeolite 353 



Rhomboedrischer blci- 



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. 



Salilite 286 



Salina brine springs 104 



Salines 99 



Salmare 198 



Salt, epsom 25 1 



— 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 



PlOB. 



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 



