INDEX. 
533 
Page. 
Petalite. .. 453 
Petrifying springs. 156 
Petroleum. 182 
Petrosilex. 367 
Pharmacolite. 247 
Phillips mine, Putnam co. 10 
Phosphate of iron. 401 
—- of lead. 417 
— of lime. 239 
— of manganese. 455 
Phosphuretted hydrogen . 173 
Picrolite. 273 
Pierre de Croix. 333 
Pinite. 453 
Pistazite. 354 
Pitchstone. 367 
Plaster of Paris. 62 
Plaster stone. 61 
Pleonaste. 316 
Plomb carbonate. 414 
— molybdate.416 
—• phosphate. 417 
—- sulfate. 415 
— sulfure . 44, 412 
Plumbago. 96, 186 
Polychromatischer feld- 
spath. 341 
Polylite. 405 
Polymignite. 453 
Porcelain clay . 59, 335, 340 
— materials for .. 59 
Potash. 201 
— alum. 202 
— carbonate of.201 
— hydrobromate of.. 202 
— muriate of. 202 
—• sulphate of. 201 
Potasse sulfatee. 201 
Potstone. 273 
Pottery, materials for . .. 59 
Prase. 258 
Precious garnet .. 323 
— serpentine. 272 
Prelmite. 349 
Prescott’s ore bed. 33 
Min. — Part II. 
Page. 
Prismatic andalusite .... 362 
— arsenic pyrites ... 394 
— blue iron. 401 
— blue malachite. .. 426 
— copper. 422 
— corundum. 375 
— datholite. 246 
— epsom salt. 251 
— feldspar. 334 
— glauber salt. 196 
— gypsum .. 238 
— heavy spar.204 
— iron ore. 386 
— iron pyrites.393 
— kyanite. 365 
— lead spar. 415 
— limestone.235 
— Schiller spar. 312 
— spodumene.. 368 
— sulphur. 181 
— talc-mica, 248, 279,284 
— zeolite. 344 
Prismatischer andaluzit.. 362 
— arsenic-kies. 394 
— augit-spath.270 
— blei-baryt. 415 
— disthen-spath .... 365 
— distom-spath.246 
•— eisen-kies. 393 
— hal-baryte. 204 
— korund. 375 
— kupfer-glanz .... 422 
— kuphon-spath.... 344 
— schiller-spath .... 312 
— schwefel. 181 
— serpentine-steatit.. 272 
— talc-glimmer, 279, 284 
— triphan-spath .... 386 
Prismatisches bitter-salz . 251 
— glauber salz. 196 
— habronem-erz.... 386 
— kalk-haloid. 235 
— onhoklas-haloid.. 238 
— titan-erz. 433 
Prismatoidal augite. 354 
77 
Page. 
Prismatoidal baryte.210 
— garnet. 333 
— gypsum.61, 237 
— schiller spar. 309 
— sulphur . 439 
•— zeolite. 345 
Prismatoidischer augit- 
spath. 354 
— granat. 333 
— hal-baryte. 210 
— kuphon-spath .... 345 
— schiller-spath .... 309 
•— schwefel. 439 
Prismatoidisches gyps- 
haloid. 237 
— habronem-erz.... 386 
Protoxide of titanium . .. 428 
Prussian blue.. 402 
Pseudomorphs of horn¬ 
blende. 307 
Pumice. 367 
Purple copper. 453 
Pure atmospheric water.. 178 
Pyrallolite. 298 
Pyramidal copper pyrites, 423 
— feldspar. 329 
— garnet. 321 
— kuphon-spath.... 348 
— lead spar. 416 
— titanium. 428 
— zeolite. 348 
— zircon. 378 
Pyramidaler blei-baryt .. 416 
— elain-spath. 329 
— granat. 321 
— kupfer-kies. 423 
— zircon. 378 
Pyramidales titan-erz.... 428 
Pyrenaite. 324 
Pyrgom. 286 
Pyrite. 387 
Pyritous copper. 423 
Pyrodmalite. 286 
Pyromorphite. 417 
Pyrope. 324 
