Paoe. 



Hydrate of alumina .... 320 

 — of magnesia . . . 248 

 Hydraulic limestone . 75. 256 

 Hydraulic limestones, com- 

 position of various spe- 

 cimens 82 



Hydriodate of soda 200 



Hydrobromate of magnesia, 256 



— of potassa. 202 



Hydrocarbonate of copper, 42G 



Hydrogen 171 



— gas 171 



Hydrogene 171 



— sulfure 173 



Hydrous anthophyllite . . 301, 



313 



— dicarbonate of copper, 425 



— oxide of iron. .. 29. 386 



— peroxide of iron, 29, 386 



— sesquisilicate of mag- 



nesia 272 



— sulphate of lime, 61, 237 

 . — sulphate of soda .... 196 



— sulphuric acid 177 



Hypersthene 309 



I. 



Ice spar 335 



Idocrase 321 



Igloite 235 



Ilmenitc 431 



Ilvaite 403 



Indian pond ore bed 33 



Indicolite 357 



Indurated talc 284 



Inflammable gas springs . 128 



lolite 451 



Iron froth 23, 24 



— glance 385 



Iron, manufacture of, in 



New- York ..... 38 



— mica 24 



— native 382 



Iron ore, magnetic 383 



— ores, composition of. 37 



INDEX. 

 J. 



Paoe. 



Iron pyrites 387 



— sinter 390 



Isinglass plaster 05 



Jasper 257, 258 



Jaspery iron 24 



Jeffersonite 287 



Jepson lead vein 49 



K 



Kakoxene 402 



Kaolin 340 



Karstenite 238 



Karstin 312 



Kearney ore bed, St. Law- 

 rence county 25 



Kemble mine, Putnam co. 1 1 



Kerolite 279, 308, 318 



Klaprothine 402 



Kronkite mine, Orange co. 10 



Kyanitc 365 



L. 



Labrador feldspar 341 



— hornblende .... 309 



Labradorite 341 



Lake Sodom 145 



Laumonite 351 



Lead ashes 49 



— glance 44, 412 



— mines, 45, 48, 49,50,51 



— ore 44 



Lebanon springs 133 



Lebcrkise 392 



Lederite 436 



Lenticular clay iron ore, 24, 26 



Lepidolite mica 370 



Leucopyrite 451 



Lievrite 403 



Lignite 191 



Lime, manufacture of. ... 74 



Limestone, hydraulic... 256 



Tiimonite 29, 386 



Liquid sulphuric acid .... 177 



Lithion mica 372 



531 



M. 



Page. 



Liverpool brine springs. . 107 



Lomonite 351 



Longmuir's sulph. spring, 1 47 



Made 362 



Maclurite 281 



Macrotopous limestone . . 249, 



252 



Magnesia, carbonate of . . 249 



— liydrobromate of. . 256 



— hydrous silicate of, 279 



— silicate of 283 



— siliceous hydrate of, 272 



— sulphate of 251 



Magnesian carbonate of 



lime 252 



— marble 250 



— minerals ... 57 



— soils 92 



Magnesie sulfatee 25 1 



Magncsitc 249, 279 



Magnesium, bromide of, . 256 

 Magnetic iron 1, 883 



— iron ore 383 



— iron pyrites 392 



— iron sand 22 



— oxide of iron . . 1, 383 



— ppites 392 



— sulphuret of iron . 392 

 Makrotypes kalk-haloid . . 252 



Malachite 425 



Malacolite 286 



Manganese ores 53 



— spar 406 



Manganesian epidote .... 354 



— garnet .... 324 

 Manufacture of iron in 



New- York 38 



Manufacture of lime .... 74 



Manufacture of salt Ill 



Marble 67, 229 



— magnesian 250 



Marl 83 



Marmolite 279 



Masonit(; 452 



