Page. 
Hydrate of alumina .... 320 
— of magnesia . .. 248 
Hydraulic limestone . 75. 256 
Hydraulic limestones, com¬ 
position of various spe¬ 
cimens . 82 
Hydriodate of soda. 200 
Hydrobromateofmagnesia, 256 
— of potassa. 202 
Hydrocarbonate of copper, 426 
Hydrogen . 171 
— gas. 171 
Hydrogene. 171 
— sulfur^. 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 
Ilmenite. 431 
Ilvaite. 403 
Indian pond ore bed. 33 
Indicolite. 357 
Indurated talc. 284 
Inflammable gas springs . 128 
Iolite . 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. 
Page. 
Iron pyrites. 387 
— sinter. 396 
Isinglass plaster. 65 
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. 11 
Kerolite. 279, 308, 318 
Klaprothine. 402 
Kronkite mine, Orange co. 10 
Kyanite. 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 
Leberkise . 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 
Limonite. 29, 386 
Liquid sulphuric acid.... 177 
Lithion mica. 372 
531 
M. 
Page. 
Liverpool brine springs.. 107 
Lomonite. 351 
Longmuir’s sulph. spring, 147 
Made. 362 
Maclurite. 281 
Macrotopous limestone .. 249, 
252 
Magnesia, carbonate of .. 249 
— hydrobromate 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 . 251 
Magnesite. 249, 279 
Magnesium, bromide of, . 256 
Magnetic iron. 1, 383 
— iron ore .. 383 
— iron pyrites. 392 
— iron sand. 22 
— oxide of iron.. 1, 383 
— pyrites. 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 
Masonite. 452 
