Index to Prospector's Field Book and Guide. 1901. ACID, nitric, preparation 108, 109 PFBG Acidic rocks, 159 PFBG Acids, 2 PFBG Adamantine lustre 9 PFBG Adularia, 211 PFBG Africa, occurrence of diamonds in, 288, 239 PFBG Agate, 251, 252 PFBG Alabama, bauxite in, 195 PFBG Alabaster 215 PFBG Alaska, burning and drifting in, 97, 98 PFBG Alaska, gold in, 113—115 PFBG Almaden, Spain, quicksilver deposits of, 177 PFBG Almandine ruby, 244 PFBG Alum 204 PFBG Alujpina, detection of’, 62, 70, 71 PFBG Aluminite, 194 PFBG Aliaminium, 194—199 PFBG Antimony, manganese, 194—203 PFBG Antimony, minerals which serve as sources of, 194 PFBG Antimony, processes of manufacture of 197 PFBG Amalgam, natjve, 177 PFBG Amalgamating assay, directions for making an, 99, 100 PFBG Amazon stone, 211, 212 PFBG Amethyst, 253 PFBG Amethyst, oriental, 198 PFBG Amydolite, 15 PFBG Analyses of ores, 61—84 PFBG Analysis of ores for nickel and cobalt, 182—19Q PFBG Analysis qualitative of ores, 64—76 PFBG Analysis, wet method of, 61—76 PFBG Anglesite, 151 PFBG Anthracite, 210 PFBG Antimonite 199 PFBG Antimony, 199—201 PFBG Aluminium, manganese, 194—203 PFBG Aluminium, centres of production of, 200 PFBG Aluminium, detection of, 62 PFBG Aluminium, glace, 199 PFBG Aluminium, indication of 75 PFBG Aluminium, ore, testing of, 83, 84 PFBG Apatite, 204, 205 PFBG Aqueous rocks, 16 PFBG Areas, to measure, 54—57 PFBG Argentite, 125 PFBG Arkansas, bauxite in, 195 PFBG Arsenic, 205, 206 PFBG Arsenic, testing for, 75 PFBG Arsenical pyrites, 170 PFBG Arizona, ruby copper in, 141 PFBG Asbestus, 206, 207 PFBG Asbolite, 192, 193 PFBG Asphalt, localities for, 235 PFBG Asphalt, native, 235, 236 PFBG Asphalt, peat, ozocerite, petroleum, 223—236 PFBG Assay, amalgamating, directions for making an, 99, 100 PFBG Assay, definition of 31 PFBG Assay, dry, of ores, 76—84 PFBG Assay, furnace, construction of an, 77 PFBG Assay, furnace, portable, 78 PFBG Assay, of tin ore, 156 PFBG Asterias, 198 PFBG Auriferous lodes 21—23 PFBG Auriferous quartz, rule for ascertaining PFBG Auriferous quartz, the amount of gold in a lump of, 116, 117 PFBG Australia, occurrence of the most gold in, 26 PFBG (298) PFBG Aventurine, 211 PFBG Avoirdupois weight, 262 PFBG Azoic rock, 11 PFBG Azurite, 139 PFBG BANCA, discovery of tin in, 157 PFBG Barium carbonate, 208 PFBG Barium sulphate, 207, 208 PFBG Barytes, 207, 208 PFBG Basalt 15 PFBG Bases, 2 PFBG Bassets, 20 PFBG Batea, 90 PFBG Bauxite, 194, 195, 196 PFBG Bauxite, purification of, 195, 196 PFBG Beds and layers, 20 PFBG Bell metal, 158 PFBG Beryl, 246 PFBG Billiton, discovery of tin in, 157 PFBG Biotite, 18, 106, 217 PFBG Birch Creek district, Alaska, 115 PFBG Bismuth, 178, 179 PFBG Bismuth, indication of, 74 PFBG Bismuth, geology of, 179 PFBG Bismuth, gold, 87 PFBG Bismuth, nickel, cobalt, cadmium, mercury, 176—193 PFBG Bismuth, occurrence of; 179 PFBG Bitumen, 235, 236 PFBG Bituminous coal, 210 PFBG Black band ore, 169 PFBG Black diamond, 238 PFBG Black gold, 87 PFBG Black lack, 163, 164 PFBG Black lead, 212—214 PFBG Black limestone, smell of, 7 PFBG Black mica, 217 PFBG Black oxide of copper, 138, 139 PFBG Bloodstone, 253 PFBG Blowpipe and its uses, 28—40 PFBG Blowpipe construction of, 30 PFBG Blowpipe experiments, 31, 32, 35—39 PFBG Blowpipe mode of making a, from a glass tube, 34,35 PFBG Blowpipe using the, 30, 31 PFBG Blowpipe principal means of testing minerals before the 35 PFBG Blowpipe tests, requirements for, 29 PFBG Blue carbonate of copper, 139 PFBG Blueite, 182 PFBG Borax, 29, 208 PFBG Boring, 269 PFBG Borneo, diamonds in, 238 PFBG Bornite, 139, 140 PFBG Bort 238 PFBG Brasquing, 78 PFBG Brazil,diamonds in,238 PFBG British weights and measures, basis of 260 PFBG Brittle silver ore, 126 127 PFBG Bromyrite, 121 PFBG Brown coal 210 PFBG Brown hematite, 167, 168 PFBG Brown iron ore, 167, 168 PFBG Burning and drifting, 96—98 PFBG Burnt topaz, 245 PFBG CADMIUM, 193 PFBG Cobalt, mercury, nickel, bismuth, 176—193 PFBG Cajalco mine, 158 PFBG Calamine, 162, 163 PFBG Calaverite, 118 PFBG Calcite, 3 PFBG Calcite, hexagonal crystal, 45, 46 PFBG California, asphalt in 235 PFBG California, composition of gold-bearing beds in, 28 PFBG California, free gold in, 104, 105 PFBG California Gulch, Colorado, section of strata showing position of carbonate of lead deposits in 150 PFBG California, platinum in, 119 PFBG California, quicksilver-bearing belt of 1l7-178 PFBG California, sulphur in, 178 PFBG Canada, asbestus in, 207 PFBG Candle flame, colors of a, 31 PFBG Candle flame, illustration of the power of, 33, 34 PFBG Cannel coal, 210 PFBG Carat, 261 PFBG Carbonado, 238 PFBG Carbonate of lead, 150, 151 PFBG Carbonate of lead deposits, California Gulch, Colorado, section of strata showing position of 150 PFBG Carbonate of soda, 29, 30 PFBG Carbonates, detection of, 88 PFBG (299) PFBG Carnelian 252 PFBG Cassiterite, 156 PFBG Cassiterite, occurrence of in the United States, 158,159 PFBG Cat’s eye, 254 PFBG Cerargyrite, 125, 126 PFBG Cerussite, 150, 151 PFBG Ceylon graphite, 213 PFBG Ceylon graphite, ruby in, 245 PFBG Chalcedony, 252 PFBG Chalcocite, 137 PFBG Chalcopyrite, 4, 137, 138, 181 PFBG Chemical elements, 2 PFBG Chemical elements, their symbols, equivalents and specific gravities, 270, 271 PFBG Chemical substances, common names of, 272, 273 PFBG Chert, 212 PFBG Chester, Mass., emery vein at, 198 PFBG China clay, 209 PFBG Chlorospinel, 244 PFBG Chromateoflead, 151, 152 PFBG Chromic iron, 169 PFBG Chromium oxide detection of 70, 71 PFBG Chrysocolla, 138 PFBG Chrysoprase, 252 PFBG Cinnabar, 176, 177 PFBG Citron quartz, 254 PFBG Claim, notice of, 274, 275 PFBG Clays, 208, 209 PFBG Clays, soft, classes of, 209 PFBG Cleavage, 4 PFBG Coal, 209 210 PFBG Chromite, 169 PFBG Cobalt, 191—193 PFBG Cobalt, and nickel, analysis of ores for, 182—191 PFBG Cobalt, and nickel, separation of, 188—190. PFBG Cobalt, cadmium, mercury, nickel, bismuth, 176—193. PFBG Cobalt, detection of, 62, 72 PFBG Cobalt, geology of, 193 PFBG Cobalt, wad, 192, 193 PFBG Cobaltite, 191, 192 PFBG Compass, use of, in searching for iron ore, 174, 175 PFBG Comstock lode, extent of, 131 PFBG Comstock lode, north and south section of the, 132 PFBG Comstock lode, section across the, 130 PFBG Copper, 135-147 PFBG Copper, action of, before the blowpipe, 135 PFBG Copper, assay, precautions to be observed in the, 145—147 PFBG Copper, bed at the Dolly Hide Mine, Maryland, section of, 141 PFBG Copper, black oxide of, 138,139 PFBG Copper, blue carbonate of, 139 PFBG Copper, commercial supplies of, 140 PFBG Copper, detection of, 63 PFBG Copper, geology of, 140—144 PFBG Copper, glance, 137 PFBG Copper, gray, 137 PFBG Copper, green carbonate of, 139 PFBG Copper, indication of, 74 PFBG Copper, most important ores of, 136—140 PFBG Copper, ores, minerals associated PFBG Copper, with, 142, 143 PFBG Copper, native, testing for, 135, 136 PFBG Copper, natural combinations of, 136 PFBG Copper, nickel, 180 PFBG Copper, ore, red, 136, 137 PFBG Copper, testing of, by the dry method, 83 PFBG Copper, ores, examination of, 143, 144 PFBG Copper, pyrites, 137, 138 PFBG Copper, variegated, 139, 140 PFBG Copper, ruby, 136, 137 PFBG Copper, silicate of 138 PFBG Copper, to obtain the per cent. of, in an ore, 144, 145 PFBG Copper, vitreous, 137 PFBG Coprolites, 205 PFBG Corundum, 194 PFBG Corundum and emery, 197—199 PFBG Corundum, test for, 199 PFBG Cradle, the, 92, 93 PFBG Creeks and rivers, wash of, 23, 24 PFBG Crocoite, 151, 152 PFBG Crowder’s Mount, N. C., lazulite at, 48 PFBG Crowder's Mount, topaz at, 49 PFBG Crucible, lining for, 77, 78 PFBG Crucibles, 76 PFBG Cryolite, 194, 196, 197 PFBG Crystalline forms, classes or systems of, 41 PFBG (300) PFBG Crystallography, 41—51 PFBG Crystallography systems, illustrations of, 47—51 PFBG Cube, the, 42, 43 PFBG Cupel, 76 PFBG Cupellation, 80, 81 PFBG Cuprite, 136, 137 PFBG Cyanide of potassium, extraction of gold by, 100, 101 PFBG DELFS 20 PFBG Deposit, first indications of a, possessing economic value 19 PFBG Deposits, irregular, 20 PFBG Diamond, 237—243 PFBG Diamond, color of, 240, 241 PFBG Diamond, drill, 269, 270 PFBG Diamond, localities for, 237—240 PFBG Diamond, measurement of the value of, 242-243 PFBG Diamond, natural surface of, 240 PFBG Diamond, power of refraction of, 241 PFBG Diamond, specific gravity of, 241 PFBG Diamonds, black, in meteoric iron, 50 PFBG Diaspore, 194 PFBG Diatoms 215 PFBG Dodecahedron, the, 43 PFBG Dolerite, 15 PFBG Dolly Hide Mine, Maryland, section of copper bed at, 141 PFBG Dolomite, 210 PFBG Domes, 46 PFBG Drifting and burning, 96—98 PFBG Dry assay of ores, 76—84 PFBG Dry assay, pulverization for the, 79, 80 PFBG Ductility, 8 PFBG EAGLE Vein, Lake Superior, of, 142 PFBG Earth’s crust, movements of the, 12 PFBG Earthy cobalt, 192, 193 PFBG Elasticity and flexibility, 7 PFBG Elaterite, 234 PFBG Elements, to find the proportional parts by weight of the, of any substance, 272 PFBG Emerald 246 PFBG Emerald nickel, 180 PFBG Emerald, oriental, 198 PFBG Emery and corundum, 197-199 PFBG Emery, chief American source of, 198 PFBG Emery, European sources of, 199 PFBG Emery, test for, 199 PFBG Emery vein at Chester, Mass., 198 PFBG Emma mine, 133, 134 PFBG English length, 260 PFBG Epidote, 249 PFBG Erubiscite, 139, 140 PFBG Erytbrite, 192 PFBG Eureka Mines, Nevada, 131, 133 PFBG Eye agate, 251 PFBG Feldspar, 211, 212 PFBG Feldspar, Fire lute, formula for 84 PFBG Fire opal, 250 PFBG Flexibility and elasticity, 7 PFBG Flint 212 PFBG Florentine, the, 243 PFBG Fluorite, 212 PFBG Fluorspar, 212 PFBG Flux for gold and silver ores, 81 PFBG Foleyrite, 182 PFBG Forty-Mile district, Alaska, 115 PFBG Fracture, 4 PFBG Fracture, varieties of, 5 PFBG Franklinite, 166 PFBG French measures 265 PFBG French weight, 266 PFBG Fuller’s earth 209 PFBG Fuming nitric acid, 109 PFBG Furnace, assay, construction of an, 77 PFBG Furnace portable assay, 78 PFBG GALENA, 148, 149 PFBG GALENA, limestone, section of, 153 PFBG GALENA, ores, geology and form of lodes of 149 PFBG GALENA, test for silver in, 148, 149 PFBG GALENA, testing of, by the dry method, 83 PFBG GALENA, vegetation indicating deposit of, 24, 25 PFBG Galicia, ozocerite in, 232, 233 PFBG Gap Mine, Lancaster Co., Penna., nickel at, 181 PFBG Garnet 248 PFBG Garnets, oriental, 50, 51 PFBG Garnierite, 192 PFBG (301) PFBG Gems and precious stones, 237—259 PFBG Gems, table of characteristics of 257—259 PFBG Gem-stones, list of, known to occur in the United States, 255, 256 PFBG Gem-stones, list of, occurring only in the United States, 256 PFBG Gem-stones, not identified in any form in the United States 256 PFBG Geology of bismuth, 179 PFBG Geology of cobalt, 193 PFBG Geology of copper, 140—144 PFBG Geology of gold, 102—107 PFBG Geology of iron ores, 170—172 PFBG Geology of lead 152—155 PFBG Geology of silver ores 128—134 PFBG Geology of zinc, 164 165 PFBG Geology practical, 13—27 PFBG Geology prospecting, mineralogy, mining, etc., glossary of terms used in connection with, 276—296 PFBG Gibbsite, 194 PFBG Girdles, 20 PFBG Glance coal 210 PFBG Glass tubes, test in, 39, 40 PFBG Glassy lustre, 9 PFBG Glossary of terms used in connection with prospecting, mining, mineralogy, geology, etc., 276—296 PFBG Gneiss, 16 PFBG Gold, 85—117 PFBG Gold, amalgam, 102 PFBG Gold, and silver, specific gravity of ores associated with, 266 PFBG Gold, bearing beds in California composition of 26 PFBG Gold, behavior of, towards acids, 89, 90 PFBG Gold, behavior of, under the blowpipe, 89 PFBG Gold, black, 87 PFBG Gold, chief supplies of, 86 PFBG Gold, color of, 88,89 PFBG Gold, crystallization of 87 PFBG Gold, crystals, 87 PFBG Gold dirt, washing of, by sluices, 93 94 PFBG Gold, distribution of 85, 86 PFBG Gold, dust, 87 PFBG Gold, extraction of, by potassium cyanide, 100, 101 PFBG Gold, free, in California, 104, 105 PFBG Gold, geology of, 102—107 PFBG Gold, in cellular quartz, 103 PFBG Gold, in combination, 107—113 PFBG Gold, in granitic regions, 103, 104 PFBG Gold, in iron pyrites, separation of, 108—111. PFBG Gold, in iron sulphides, 107 PFBG Gold, in metallic sulphides, separation of, 108—111 PFBG Gold, indication of, 75 PFBG Gold, ironstone blow.out indicative of, 104 PFBG Gold, largest nugget of, 87, 88 PFBG Gold, lump of, 87 PFBG Gold, native, composition of, 86 PFBG Gold, native, detection of in pyrites, 87 PFBG Gold, native, determination of, 61, 62 PFBG Gold, occurrence of, 86 PFBG Gold, occurrence of, in Alaska 113—115 PFBG Gold, occurrence of, in Australia 26 PFBG Gold, ores, flux for, 81 PFBG Gold, testing of by the dry method 80—83 PFBG Gold, original position of 102, 103 PFBG Gold, placer, 102 PFBG Gold, placer quartz, assaying of, 82, 83 PFBG Gold, rule for ascertaining the amount of gold in a lump of auriferous quartz, 116, 117 PFBG Gold, section showing conditions under which found, 104 PFBG Gold, separation of platinum from, 121 122 PFBG Gold, shades of color of, 3, 4 PFBG Gold, specific gravity of, 88 PFBG Grand Duke of Tuscany, the, 243 PFBG Granite 17—19 PFBG Granite, metamorphic, 106 PFBG Granitic regions, gold in, 103, 104 PFBG Graphic granite, 17, 18 PFBG Graphic tellurium 118 PFBG (302) PFBG Graphite, 212—214 PFBG Graphite, test for the purity of, 214 PFBG Graves’s Mount, Ga., lazulite found at, 48 PFBG Gray copper, 137 PFBG Green carbonate of copper, 139 PFBG Greenockite, 193 PFBG Greenstone, 15 PFBG Greisen, 160, 217 PFBG Guadalcazarite, 177 PFBG Gypsum, 214, 215 PFBG HARD bars, 26 PFBG Hardness, 5—7 PFBG Hardness, scale of 6 PFBG Hardness, trying the, of a mineral, 6 PFBG Harvey Peak mines, 158 PFBG Height, inaccessible to measure, 52—54 PFBG Hessian crucibles, 76 PFBG Hessite, 118 PFBG Hexagonal prism, 45 PFBG Hexagonal system, 44—46 PFBG Horizons of rocks, 12 PFBG Horn silver, 125, 126 PFBG Hydraulic limestone, smell of, 7 PFBG Hydraulic mining, 94—96 PFBG Hyposyenite, 107 PFBG IDRIA, Austria, cinnabar at, 177 PFBG Igneous rock, 11, 15, 106 PFBG India, diamonds in, 237, 238 PFBG Indicative plants, 24, 25 PFBG Infusorial earth, 215 PFBG Inner flame, 31 PFBG Iridium, 122, 123 PFBG Iron, 165—175 PFBG Iron, and zinc, 162—175 PFBG Iron, chief ores of, 165—170 PFBG Iron, determination of the amount of, in an ore, 78, 79 PFBG Iron, meteoric, 49, 50 PFBG Iron, native, 165 PFBG Iron, ore, method of using the compass in searching for, 174, 175 PFBG Iron, ores, general geologic regions of, 171, 172 PFBG Iron, geology of, 170—172 PFBG Iron ores of Lake Superior, geologic horizon around the, 167 PFBG Iron, pyrites, 4,169, 170 PFBG Iron, method of ascertaining the sulphur available in, 221, 222 PFBG Iron, separation of gold in, 108—111 PFBG Iron, sesquioxide, detection of, 71 PFBG Iron, stone blow-out as an indication of gold, 104 PFBG Iron, sulphides, gold in, 107 PFBG Iron, use of the magnetic needle in prospecting for, 172—175 PFBG Iron, vegetation indicating deposit of, 25 PFBG Isometric system, 41—43 PFBG Itacolumite 7 PFBG Italy, sulphur in, 221 PFBG JACK’S tin, 182 PFBG Jamesonite, 152 PFBG Jasper, 252, 253 PFBG Jasper opal, 250 PFBG Jet, 210 PFBG KAOLIN, 209 PFBG Kentucky, salt in, 219 PFBG Kermesite 199 PFBG Kimberley mine, diamond-bearing ground of the, 239 PFBG Klondike district, Alaska, 115 PFBG Koh-i-noor, the, 243 PFBG Lake George diamonds, 253 PFBG Lake Superior copper region, 141, 142 PFBG Lapis lazuli, 48, 49 PFBG Layers and beds, 20 PFBG Lazulite, 48 PFBG Lead, 148—155 PFBG Lead, and tin, 148—161 PFBG Lead-antimony ores, 152 PFBG Lead, carbonate of, 150, 151 PFBG Lead, chief sources of, in the United States, 154, 155 PFBG Lead, chromate of, 151, 152 PFBG Lead, detection of, 66 PFBG Lead, district of Wisconsin Illinois and Iowa, order of strata in the, 149 PFBG (303) PFBG Lead, geology of, 152—155 PFBG Lead, indication of, 74 PFBG Lead, lode in micaceous slate in mine near Middletown, Conn., 149 PFBG Lead, mines in Missouri, 155 PFBG Lead, ochre, 152 PFBG Lead, ore, testing of, by the dry method, 83 PFBG Lead, phosphate of, 151 PFBG Lead, plant, 24 PFBG Lead, section of a deposit of, in the fissure of the limestone, 155 PFBG Lead, galena limestone showing the occurrence of 153 PFBG Lead, sulphate of, 151 PFBG Lead, detection of, 73 PFBG Lead, veins, circulation of water in 154 PFBG Ledge, 19 PFBG Length, English, 260 PFBG Length, particular measures of, 261 PFBG Lime, detection of, 62 PFBG Lime, phosphate of, 204, 205 PFBG Limestone 3 PFBG Limestone, black, smell of, 7 PFBG Limestone, lithographic, 215, 216 PFBG Limonite, 167, 168 PFBG Line, inaccessible, to measure an, 57—59 PFBG Linnaeite 192 PFBG Lithographic limestone, 215, 216 PFBG Loadstone, 165, 166 PFBG Lode, examination of a, 26, 27 PFBG Lode, prospecting, 98, 99 PFBG Lodes, 19 PFBG Lodes, auriferous 21—23 PFBG Long tom, the, 93 PFBG Lustre, 8, 9 PFBG MAGNESIA, detection of 62 PFBG Magnesian mica, 217 PFBG Magnetic needle, use of, in prospecting for iron, 172—175 PFBG Magnetite, 165, 166 PFBG Magnetite, occurrence of 26 PFBG Malachite, 139 PFBG Malleability, 8 PFBG Manganese, 201—203 PFBG Manganese, antimony, aluminium, 194—203 PFBG Manganese, carbonate, 202, 203 PFBG Manganese, detection of, 72 PFBG Manganese, chief sources of 203 PFBG Manganese, detection of 62 PFBG Manganese, ores classes of 201 PFBG Marble wax, 234 PFBG Massicot, 152 PFBG Measure, solid, 261 PFBG Measure, surface, 261 PFBG Measures 20 PFBG Measures and weights, 260—262 PFBG Measures, French, 265 PFBG Meerschaum, 216 PFBG Mercury, associations of 176 PFBG Mercury, -bearing belt of California, 177, 178 PFBG Mercury, bismuth, nickel, cobalt and cadmium, 176—193 PFBG Mercury, chloride, detection of, 73 PFBG Mercury, deposits, Almaden, Spain, 177 PFBG Mercury, detection of, 63, 66, 67 PFBG Mercury, native, 176 PFBG Mercury, or quicksilver, 176—178 PFBG Mercury, ore, testing of, 83 PFBG Mercury, oxide, detection of,73 PFBG Mercury, sulphide of, 176, 177 PFBG Mercury, detection of 73 PFBG Metacinnabarite, 176, 177 PFBG Metallic lustre, 8 PFBG Metallic sulphides, separation of gold in, 108—111 PFBG Metalliferous veins, table showing the association of ore in, 27 PFBG Metals, native, 3 PFBG Metals, specific gravity of, 266—288 PFBG Metamorphic granite, 106 PFBG Metamorphic rocks, 16, 106 PFBG Meteoric iron, 49, 50 PFBG Meteorites, composition of, 50 PFBG Meteorites, native iron in 165 PFBG Meteorites, nickel in, 179 PFBG Mexico, emerald in, 246 PFBG Mica 106 PFBG Mica schist, 16 PFBG Micas, 216, 217 PFBG Michigan, salt in, 219 PFBG Middletown, Conn., lead lode in micaceous slate in mine near, 149 PFBG (304) PFBG Milk opal, 250 PFBG Millerite, 180, 181 PFBG Mills, power of, 268 269 PFBG Miner’s pan, 90 PFBG Mineral containing native copper, testing of, 135,136 PFBG Mineral specific gravity of a, 9, 10 PFBG Mineral tar, 225 PFBG Mineral, trying the hardness of a, 6 PFBG Mineralogy, mining, geology, prospecting, etc., glossary of terms used in connection with, 276—296 PFBG Mineralogy, special, 85—259 PFBG Mineralogy, technical, 1 PFBG Minerals, associated with tin, 160 PFBG Minerals, chemical tests for 28 PFBG Minerals, composition of, 2 PFBG Minerals, ductility of, 8 PFBG Minerals, flexibility and elasticity of, 7 PFBG Minerals, form of, indicative of their composition, 41 PFBG Minerals, forms of occurrence of, 19—21 PFBG Minerals, genesis of, 160 PFBG Minerals, lustre of, 8, 9 PFBG Minerals, malleability of, 8 PFBG Minerals, of common occurrence, specific gravity of, 267 PFBG Minerals, preliminary examination of 61 PFBG Minerals, principal means of testing, before the blowpipe, 35 PFBG Minerals, rocks associated with, 10, 11 PFBG Minerals, smell of 7 PFBG Minerals, taste of 7, 8 PFBG Minerals, various useful, 204—222 PFBG Minerals, weight and form of, 10 PFBG Mines 20 PFBG Mining, hydraulic, 94—96 PFBG Mining mineralogy, geology, prospecting, etc., glossary of terms used in connection with, 276—296 PFBG Mispickel, 7, 170 PFBG Missouri lead mines, 155 PFBG Molybdenite, 217, 218 PFBG Molybdenum, 217, 218 PFBG Monoclinic system, 47 PFBG Moonstone, 211 PFBG Moss agate, 251 PFBG Mud volcanoes, 227 PFBG Muffle, 76, 77 PFBG Muscovite, 18, 217 PFBG NAGYAGITE, 118 PFBG Native amalgam, 177 PFBG Native arsenic, 205, 206 PFBG Native asphalt, 235, 236 PFBG Nevada, rock salt in, 220 PFBG New Caledonia, Australia, discovery of nickel in, 190, 191 PFBG New Sparta zinc mines, section of 164 PFBG New York, graphite in, 213 PFBG New York, salt springs in, 220 PFBG Nickel, 179—191 PFBG Nickel, action of, under the blowpipe, 179 PFBG Nickel, and cobalt, analysis of ores for, 182—190 PFBG Nickel, separation of, 188—190 PFBG Nickel, arsenide, 180 PFBG Nickel, chief ores of, 180—182 PFBG Nickel, cobalt, cadmium, bismuth, PFBG Nickel, mercury, 176—193 PFBG Nickel, detection of, 62, 72 PFBG Nickel, in New Caledonia, Australia, 190, 191 PFBG Nickel, sources of, in Sudbury, Canada 181 PFBG Nicolite, 180 PFBG Nitre 218 PFBG Nitric acid, preparation of, 108, 109 PFBG North Carolina, emery in, 198, 199 PFBG North Carolina, meteoric iron found in, 49, 50 PFBG OBSIDIAN, 15 PFBG Octahedron, the, 43 PFBG Octahedron, tetragonal, 44 PFBG Onyx, 254 PFBG Opal, 249, 250 PFBG Ore, determination of the amount of iron in an, 78,79 PFBG Ore, table showing the association of, in metalliferous veins, 27 PFBG Oregon, platinum in, 119 PFBG (305) PFBG Ores, analyses of, 61—84 PFBG Ores, analysis of, for nickel and cobalt 182—191 PFBG Ores, associated with gold and silver, specific gravity of, 266 PFBG Ores, dry assay of, 76—84 PFBG Ores, gold, testing of, by the dry method, 80—83 PFBG Ores, manganese, classes of, 201 PFBG Ores, qualitative analysis of, 64—76 PFBG Ores, silver, testing of, by the dry method, 80—83 PFBG Ores, specific gravity of, 266, 267 PFBG Oriental amethyst, 198 PFBG Oriental emerald, 198 PFBG Oriental ruby, 198 PFBG Oriental topaz, 198 PFBG Orlof, the, 243 PFBG Orpiment, 206 PFBG Orthoclase, 19, 47, 211, 212. PFBG Orthorhombic system, 46 PFBG Osmium, 123 PFBG Outer flame, 31 PFBG Oxidizing flame, 31 PFBG Ozocerite, 232, 233 PFBG Ozocerite asphalt, peat, petroleum, 223-236 PFBG PALLADIUM, 123 PFBG Pan, miner’s, 90 PFBG Panning out, object of, 90, 91 PFBG Peacock ore, 138 PFBG Pearly lustre, 9 PFBG Peat, 236 PFBG Peat, ozocerite, petroleum, asphalt, 223—236 PFBG Pegmatite, 217 PFBG Pelton wheel, rule applicable to the, 268, 269 PFBG Pestle and mortar, 98 PFBG Petite Anse Island, rock salt in, 219 PFBG Petroleum, 223—232 PFBG Petroleum, bed-like occurrence of, 228 PFBG Petroleum, ozocerite, asphalt, peat, 223—236 PFBG Petroleum, prospecting for, 223—232 PFBG Petroleum, quality of, 232 PFBG Petroleum, vein-like occurrence of, 230, 231 PFBG Petzite, 118 PFBG Phenacite, 246 247 PFBG Phosphate of lead, 151 PFBG Phosphate of lime, 204, 205 PFBG Phosphate, vegetation indicating deposit of, 25 PFBG Pilot Knob, Missouri, section of 171 PFBG Pilot stones 24 PFBG Pitt, the, 243 PFBG Placer gold, 102 PFBG Plants, indicative, 24, 25 PFBG Plaster of Paris, 215 PFBG Plastic clay, 209 PFBG Platinum, 119—122 PFBG Platinum, chemical test for, 121 PFBG Platinum, indication of, 75 PFBG Platinum, principal supply of, 120 PFBG Platinum, separation of, from gold, 121, 122 PFBG Platinum, silver tellurium, 118—134 PFBG Platinum, wire and loop, 33 PFBG Pleonast, 244 PFBG Plumbago, 212—214 PFBG Pockets, 20 PFBG Polaric iron, 166, 166 PFBG Porcelain clay, 209 PFBG Potash feldspar, 47 PFBG Potash mica, 217 PFBG Potassium cyanide, extraction of gold by, 100, 101 PFBG Pot holes, 26 PFBG Pottery clay, 209 PFBG Power for mills, 268, 269 PFBG Precious stones and gems, 237—259 PFBG Precious opal, 250 PFBG Prism compass, 59 PFBG Prism hexagonal, 45 PFBG Prism tetragonal, 44 PFBG Prospecting, mining, mineralogy, geology, etc., glossary of terms used in connection with, 276—296 PFBG Prospecting, selection of a spot for starting, 21 PFBG Prospector’s pointers, 274, 275 PFBG Psilomelane 202 PFBG Pulverization for the dry method, 79, 80 PFBG Pyrite, 4 PFBG Pyrites, arsenical, 170 PFBG (306) PFBG Pyrites, detection of gold in, 87 PFBG Pyrites, iron,169, 170 PFBG Pyrolusite, 201, 202 PFBG Pyromorphite, 151 PFBG Pyropissite, 234 PFBG Pyrrhotite, 181 PFBG QUALITATIVE analysis of ores, 64—76 PFBG Quartz, auriferous, rule for ascertaining the amount of gold in a lump of, 116, 117 PFBG Quartz, cellular, 103 PFBG Quartz, citron, 254 PFBG Quartz, crystals, 45 PFBG Quartz, rocks, origin of, 103 PFBG Quartz, rose, 253 PFBG Quartz, smoky, 253 PFBG Quartz, yellow, 254 PFBG Quicksilver-bearing belt of California., 177,178 PFBG Quicksilver deposits, Almaden, 177 PFBG Quicksilver or mercury, 166—178 PFBG REALGAR, 206 PFBG REALGAR, Red copper ore, 136, 137 PFBG REALGAR, hematite, 166, 167 PFBG REALGAR, oxide of zinc, 163 PFBG REALGAR, silver ore, 127 PFBG Reducing flame, 31 PFBG Reef 19 PFBG Regent, the 343 PFBG Resinopal, 250 PFBG Resinous lustre, 9 PFBG Retinite, 234 PFBG Retort, construction of a, 100 PFBG Rhodium gold, 87 PFBG Rhodochrosite, 202, 203 PFBG Right-hand theory, 22 PFBG Rivers and creeks, wash of, 23, 24 PFBG Rock, azoic, 11 PFBG Rock, crystal, 253 PFBG Rock, crystal, power of refraction of 241 PFBG Rock, igneous, 11, 15, 106 PFBG Rock, salt, 218, 219 PFBG Rocker, the, 92, 93 PFBG Rocks, acidic, 159 PFBG Rocks, aqueous, 16 PFBG Rocks, associated with minerals, 10, 11 PFBG Rocks, classification of, 13 PFBG Rocks, color of 23 PFBG Rocks, definition of, 14 PFBG Rocks, horizons of, 12 PFBG Rocks, metamorphic, 16, 106 PFBG Rocks, specific gravity of, 266 PFBG Rocks, volcanic, 15 PFBG Rose quartz, 253 PFBG Rubicelle 244 PFBG Ruby, 244, 245 PFBG Ruby, and sapphire, 50, 51 PFBG Ruby, copper, 136, 137 PFBG Ruby, Hill mines, 133 PFBG Ruby, power of refraction of 241 PFBG Ruby, oriental, 198 PFBG Ruby, silver, 127 PFBG SALT deposits, 219 PFBG Salt licks 218 PFBG Saltpetre, 218 PFBG Salts, 2 PFBG Sandstone 16 PFBG Sandstone, examination of, for petroleum, 225 PFBG Sandstones, examination of, 63, 64 PFBG Sapphire, 198, 243, 244 PFBG Sapphire and ruby, 50, St PFBG Silver in galena, test for, 148, 149 PFBG Silver, native, determination of, 61, 62 PFBG Silver of commerce, derivation of, 124 125 PFBG Silver ores, 125—127 PFBG Silver, flux for, 81 PFBG Silver, geology of, 128—134 PFBG Silver, most valuable, occurrence of, 128 PFBG Silver, testing of, by the dry method, 80—83 PFBG Silver, valuing of, 128 PFBG Silver, sulphides, 125 PFBG Silver, tellurium, platinum, 118—134 PFBG Silver, vegetation indicating deposit of 25 PFBG Slate, 220 PFBG Sluices, 93, 94 PFBG (307) PFBG Smaltite, 180, 191 PFBG Smell of minerals, V PFBG Smithsonite, 162 PFBG Smoky quartz, 253, 254 PFBG Soapstone, 222 PFBG Soda, carbonate of, 29, 30 PFBG Sodium chloride 3 PFBG Solid measure 261 PFBG Special weights, 264, 265 PFBG Specific gravity, 9, 10 PFBG Specific gravity, how to find, 264 PFBG Specific gravity, of metals, 266—268 PFBG weight by, 262, 263 PFBG Spathic iron ore, 168, 169 PFBG Specular ore, 166, 167 PFBG Sperrylite, 120, 121 PFBG Sphalerite, 163, 164 PFBG Spinel ruby, 244 PFBG Stannous chloride, preparation of, 122 PFBG Steatite, 222 PFBG Stephanite, 126, 127 PFBG Sterling, New York, nickel at, 181 PFBG Stibnite, 199, 200 PFBG Stibnite in the United States, 200, 201 PFBG Stone coal, 210 PFBG Strata, 20 PFBG Streak, S PFBG Stream tin, 156 PFBG Sudbury, Canada, sources of nickel in, 181 PFBG Sulphate of lead, 151 PFBG Sulphide of lead, 148, 149 PFBG Sulphide of mercury, 176, 177 PFBG Sulphide of tin, 157,158 PFBG Sulphide of zinc. 163, 164 PFBG Sulphides, metallic, separation of gold in, 108—111 PFBG Sulphur, 220—222 PFBG Sulphur, detection of 74 PFBG Sulphur, in California, 178 PFBG Sunstone, 211 PFBG Surface deposits. 20, 21 PFBG Surface measure, 261 PFBG Surveying, 52—60 PFBG Syenite granite, 18, 106 PFBG Sylvanite, 118 PFBG TABLE of characteristics of gems, 267—259 PFBG Table showing the association of ore in metalliferous veins, 27 PFBG Talc, 222 PFBG Taste of minerals, 7. 8 PFBG Technical mineralogy, 1. PFBG Tellurides, 119 PFBG Tellurium, 118 PFBG Tellurium, minerals, 118, 119 PFBG Tellurium, platinum, silver, 118—134 PFBG Tetragonal octahedron, 44 PFBG Tetragonal prism, 44 PFBG Tetragonal system, 43, 44 PFBG Tetrahedrite, 137 PFBG Thomas’s Mountains, Utah, topaz found at, 49 PFBG Thrice inclined system, 47 PFBG Tin 155—161 PFBG Tin and lead 148—161 PFBG Tin-bearing mineral, testing of a 155 PFBG Tin, detection of, 62, 76 PFBG Tin, granites, 160 PFBG Tin, lodes, antiquity of, 159 PFBG Tin, minerals associated with, 160 PFBG Tin, ore, assay of, 156 PFBG Tin, testing of, by the dry PFBG Tin, method, 83 PFBG Tin, usual form of, 156 PFBG Tin, pyrites, 157, 158 PFBG Tin, stone, rocks associated with, 159 PFBG Tin, sulphide of, 157, 158 PFBG Titanium, detection of, 63 PFBG Toad’s eye tin, 156 PFBG Topaz, 245, 246 PFBG Topaz, crystallization of, 49 PFBG Topaz, oriental, 198 PFBG Tourmaline, 248, 249 PFBG Trachyte, 15 PFBG Traps, 15 PFBG Triclinic system, 47 PFBG Troy weight, 261 PFBG Trumbull, Conn., topaz found at, 49 PFBG Turquois, 48, 250, 251 PFBG Turquoiw, true, localities for, 51 PFBG UNITED STATES, asphalt in, 235 236 PFBG Unites States, barytes in the, 207, 208 PFBG (308) PFBG United States, cassiterite in the, 158 159 PFBG United States, chief sources of lead in, 154, 155 PFBG United States, diamonds in the, 240 PFBG United States, emerald in the 246 PFBG United States, graphite in the, 213, 214 PFBG United States, list of gem stones, known to occur in the, 255, 256 PFBG United States, infusorial earth in the, 215 PFBG United States, manganese in the, 203 PFBG United States, petroleum in the 223 PFBG United States, ruby in the, 244, 245 PFBG United States, sapphire in the, 244 PFBG United States, stibnite in, 200, 201 PFBG United States, sulphur in, 221 PFBG United States, topaz in the, 245, 246 PFBG United States, zircon in the, 247 PFBG Ural mountains, structure of, 104 PFBG Uranium, detection of 63 PFBG Utah, ozocerite in, 232 PFBG VARIEGATED copper pyrites, 139, 140 PFBG Veins, metalliferous, table showing the association of ore in, 27 PFBG Vitreous copper, 137 PFBG Vitreous lustre, 9 PFBG Volcanic rocks 15 PFBG WAD 201 PFBG Water courses, prospecting of, for petroleum, 225 PFBG Water, power of refraction of 241 PFBG Water test for petroleum., 225 PFBG Wax opal, 250 PFBG Waxy lustre, 9 PFBG Weighing, 79 PFBG Weight, avoirdupois, 262 PFBG Weight, by specific gravity, 262, 263 PFBG Weight, French, 266 PFBG Weight, Troy, 261 PFBG Weights and measures 260—262 PFBG Weights, special, 264, 265 PFBG Wet method of analysis, 61—76 PFBG Whartonite, 182 PFBG White mica, 217 PFBG Wieliczka, salt mine of, 220 PFBG Willemite, 163 PFBG Wisconsin, Illinois and Iowa galena district, order of strata in the, 149 PFBG Witherite 208 PFBG Wolframite 161 PFBG Wood opal, 250 PFBG Wood tin, 156 PFBG Wyoming, graphite in, 213, 214 PFBG YELLOW quartz, 254 PFBG Yukon district, Alaska, derivation of gold in the, 114, 115 PFBG ZINC, 162—165 PFBG ZINC, and iron, 162—175 PFBG ZINC, blende, 163, 164 PFBG ZINC, blowpipe tests for, 165 PFBG ZINC, carbonate, 162 PFBG ZINC, chief ores of, 162—164 PFBG ZINC, detection of 62 PFBG ZINC, geology of, 164, 165 PFBG ZINC, red oxide of 163 PFBG ZINC, silicate, 162, 163 PFBG ZINC, sulphide of, 163, 164 PFBG ZINC, vegetation indicating deposit of, 25 PFBG Zincite, 163 PFBG Zinkenite, 152 PFBG Zircon, 44, 247 PFBG