None
A 148 Collection, Silliman, Ben- jamin. (See Cornell).. Collection, Somerville, Maxwell 286, 324 Collection, Smith College, no Collection, Stearns, F. 325 Collection, Stephenson, J. A. D 89 Collection, Tiffany & Co. 's at Paris, 1889 323 Collection, Torrey, John, 159 196 Collection, Trocadero Mu- seum, 285, 286, 298, 299> 3°° 3°5 Collection, U. S. National Museum, 33, 47, 58, 69, 74, 86, 90, 92, 104, 115, 150, 169, 172, 177, 185, 215, 230, 278, 284, 285, 287, 298, 300, 304, 305, 308, 323, 328 Collection, Union College. 326 Collection, University of Minnesota 327 Collection, University of Michigan 326 Collection, University of Pennsylvania 156 Collection, Vaux, W. S., 47, 50, 90, 124, 177, 194, 201 326 Collection, Walker, A. E.. 173 Collection, Walker, Bo- gert 109 Collection, Ward, W. H.. 324 Collection, Wilcox, J. W., 47, S3. I2S 273 Collection, Wharton, J. 125 Collection, Yale College, 92, 171, 185, 326 328 Collection, Young, S. C. 50 Collections, foreign 327 Colophonite, analysis of... 85 Color of tourmaline 71 Colorado sapphires 49 Colored pearls 230 Columbia College School of Mines collection, 273, 326 Conch pearls 235 Conch shells for wam- pum 234 Coral, fossil 1 98 Coral, silicified 122 Cornell University Collec- tion, 125 326 PAGE Corundum. .39, 204, 258, 276 Corundum, analysis 49 Corundum from North Carolina 40 Corundum, genesis of. 41 Corundum in Georgia .... 44 Coyote of obsidian 304 Crescents of rock crystal.. 286 Crocidolite 153 Crown jewels of France. 311 Crystals of quartz from Brazil for spectacles ... in Curious shaped pearls ... 216 Cutting and polishing turquoise 62 Cyanite 176 DAMOURITE 70 Danburite 158 Datolite 177 De Soto, extracting pearls from shells for 244 Definitions 310 Delawarite 162 Demantoid 78 Demantoids, Siberian. ... 148 Derivation of American pearls 256 Dewey diamond 1 6 Diamond 13, 275, 311 Diamond, American 311 Diamond, cutting of 313 Diamond -cutting in the United States 316 Diamond dust, imports of. 313 Diamond from Dysortville. 20 Diamond field of South Kentucky 15, 31, 32 Diamond, properties of. 13 Diamond swindle, Ari- zona 36 Diamond, finding of 37 Diamond from California. 24 Diamond from Georgia... 21 Diamond from Idaho .... 30 Diamond, Lake George 109 no Diamond from Montana. 30 Diamond from North Carolina 17 Diamond from Oregon. 29 Diamond from South Carolina 21 Diamond from Virginia... 16 Diamond from Wiscon- sin 35 Diamond, the genesis of. 31 Diamond necklaces 311 Diamond, occurrence of in the United States 14 Diamond(so-called)Quebec 261 Diamond, South Afri- can 13, 33 Diaspore 51 Dichroite 277 Diopside 151, 270 Dioptase 1 79 PAGE Discoidal stones 306 Discovery of the Queen pearl 229 Divers for pearl oysters. 220 Domiciliares in pearl oys- ters 214, 215 Drilling hard stones and shells 304 Dysortville diamond 20 EAR-SHELL 236 Egyptian jasper 108 Elseolite 160, 162 Emerald 87 Emerald, Brazilian 73 Emerald, Gibsonville .... 126 Emerald, lithia 147 Emerald, Oriental. .39, 46 Emerald, Uralian ... .78, 148 Emery deposits of Asia Minor 44 Emery deposits of Ches- ter, Mass 42 Enstatite 153 Epidote 156, 267 Epidote, analyses of 157 Essonite. 78, 79, 261, 277 Essonite, localities of ... 79 Euclase 100 Experiments in Saxon pearl fisheries 228 Extracting pearls from shells for De Soto 244 FALSE TOPAZ 107 Feldspar group 162, 268 Feldspar, adularia 163 Fire-opals 290, 293, 296 First water, definition of. 312 Fishing for Abalone shells.. 237 Fleche d'Amour-rr. 777. " 125 Fluorite 183, 259, 272 Fluorite, analyses of. ... 183 Formation of pearls.... 211 Fossil coral 198 Fowlerite 152 Franklinite 154 French crown jewels 263, 311 Fresh-water pearls 225 GADOLINITE 156 Gahnite, analysis of 52 Gahnite, green spinel .... 51 Garnet 260 Garnet, analyses of. 83, 84 Garnet, black 83 Garnet group 78 Garnet, pyrope 276 Garnet, titaniferous 86 Gem, definition of. 310 Gems in the collection of the U. S. National Mu- seum. (See Collection.) Genesis of corundum 41 Genesis of diamonds 31 Geological Survey of Can- ada, collection, 267, 273, 328 334 PAGE Georgia corundum 44 Georgia diamonds 21 Geyserites 146 Gibson ville emerald 126 Girasol 287 Gold quartz 117,119, 126 Gold quartz, artificial 119 Gold quartz, rose 1 18 Goshenite 95 Gsthite 107,126, 163 Grinding and polishing. 304 Grossularite 79> 261 Grossularite, analysis of. 84 HALIOTIS 236 Hamilton College collec- tion 77, 326 Hamlin, A. C., collec- tion, 73, 94, 148, 288, 325 Hampden Emery Co .... 45 Harlequin opal 287 Heliotrope 108, 135, 265 Hematite 192, 269 Hercynite, analysis of. ... 52 Hiddenite spodumenes, 88, 89 147 History of American pearls 240 Hope, H. P., collection, 73, 296 Hornblende in quartz. ... 125 Hornstone 266 Household decoration, use of minerals in 328 Humboldt celt 279 Hyacinth 78, 79, 103, 259 Hyaline quartz 107 Hyalite 145, 288 Hydrolites 131 Hydrophane 144 ICTHYOPHTHALMITE 271 Idaho diamonds (?) 30 Idocrase 155, 261, 269 Ilmenite 271 Ilvaite ; 270 Imperial Mineralogical Cabinet, Vienna, ... 72, 327 Imports of diamonds .... 313 Imports of precious stones, tables of 314, 315 Inclusions, quartz 124 Indian pipes 208 Indicolite 73, 75, 126 International carat 14 lolite 159, 277 Isopyre 178 JACINTH 103 Jade, 172, 173, 266, 277, 3°6 327 Jade collections 327 Jade objects from Alaska, analyses of 173 Jadeite, 153, 172, 173, 276, 277 286 Jadeite adze 278 Jadeite breastplate 280 Jadeite mask 281 INDEX PAGE Jadeite, origin of 283 Jadeite ornaments 279 Jargon 103 Jasper, 108, 123, 133, 134, 135, 137, 265, 276, 287, 305 Jasper, agate 107 Jasper, Egyptian 108 Jasper, porcelain 105 Jasper, Sioux Falls 123 Jefferis, W. W., collec- tion 47, 135, 195, 327 Jet 203, 273 Jewel, definition of 311 Johns Hopkins collection 170 326 KENTUCKY, diamond field of South 15, 31, 32 Kieselsinter 146 King's College (N. S.) Collection 273 Kjoekkenmoeddings 248 Knives of obsidian 298 Kotchubeite 86 Kunz collection in Albany 116 LABRADORITE, Labrador spar.... 163, 164, 165, 267 Labradorite, analyses of. 165 Lake George dia- monds, so called. .109, no Lake Superior amethyst. 115 Lapidarian work, litera- ture of aboriginal 309 Lapidarian work in North America, aboriginal. 303 Lapis lazuli 160 Largest beryls in the world 90 Lazulite 191, 270 Lea collection 47, 53, 322 Lechosos opals, 287, 291 Leidy, Joseph, collec- tion 37, 47, 322 Lennilite 162 Leopardite. 167 Lepidolite 159 Leyden plate 279 Lintonite 180, 181, 271 Literature of aboriginal lapidarian work 309 Lithia emerald spodumene 147 Localities of agate. 128, 264 Localities of almandine garnet 81, 82, 260 Localities of amethyst 113, 262 Localities of aquama- rine 93, 95 Localities of beryl 87 Localities of catlinite. 205, 206 Localities of euclase 100 Localities of essonite. 79, 261 Localities of gold quartz. 1 1 8 Localities of opal 142, 288 Localities of peridot 101 Localities of pyrope gar- net. 80 PAGE Localities of phenacite ... 98 Localities of smoky quartz 1 16 Localities of tourmahne, 7 1 260 Localities of topaz 67 Localities of turquoise .... 54 Localities of zircon. .103, 259 Lodestone 192 Los Cerrillos Mines 56 Lower California, pearl fisheries in 218 Lydian touch-stone. 107, 135 Lynde, M. T., collection 93, 181 302 McGiLL COLLEGE collec- tion 267, 273, 328 Macle 175, 269 Magic stone 144 Mahogany, mountain, 1 68, 169 Making of arrows. 306, 307 Malachite 195, 273 Malachite, analyses of. 196 Marble, Tecali 283 Marcasite 199 Marekanite 168, 299 Marriott Mound, Unio pearls in 227 Marsh, O. C., collec- tion 273, 308 Mask, jadeite 281 Mask, turquoise 65 Mazarin diamonds 311 Meerschaum 189 Melanite, analysis of 85 Melanite or black garnet, 83 261 Menaccanite 194 Method of extracting pearls in Saxony 232 Metropolitan Museum of Art, collection, 286, 323, 324 Mexican onyx 300 Mexican regard for tur- quoise 62 Mexico 275 Microcline 267 Microlite 167, 189 Microlite, analyses of. ... 189 Milk quartz 107, 125, 262 Millerite 261 Minerals that yield the cat's-eye effect 204 Mirror of obsidian 299 Mirror of pyrite. 300 Moldavite 168 Monazite 271 Montana diamond (?) 31 Montana sapphire 48 Moonstone 162, 163, 268 Moonstone, Ceylonese ... 167 Morion 107, 262 Mosaics of turquoise 63 Mosaic agate 301 Moss agate, 131, 132, 133, 265 Moss opal 144 Mountain mahogany, 168, 169 Mount Chalchihuitl 55 Muller's glass 145, 288 INDEX 335 PAGE Mussels, pearl-bearing. 217 NATIONAL MUSEUM, U. S., collection, 33, 47, 58, 69, 74, 86, 90, 92, 104, 115, 150, 169, 172, 177, 185, 215, 230, 278, 284, 285, 287, 298, 300, 304, 305, 308, 323 328 Natrolite 182, 271 Nephrite. .172, 173,266, 277 Nevada sapphire 50 New Jersey pearl find .... 227 New York State Museum collection, 72, 89, 109, 113, 114, 116, 165, 273, 326 Nigrine 193 North American aborigi- nal lapidarian work.. 3°3 North Carolina corundum 40 North Carolina dia- monds 17 North Carolina rock crys- tal 108 North Carolina rubies .... 46 North Carolina zircon.. 104 Novaculite 122 OBSIDIAN.. 1 68, 268, 297, 307 Obsidian, analysis of 170 Obsidian arrow-heads .... 1 69 Obsidian coyote 304 Obsidian knives 298 Obsidian mirrors 299 Occurrence of diamonds in the United States 14 Octahedrite 193 Oligoclase 163, 167 Oligoclase, analysis of. ... 1 68 Olivine (Chrysolite). 101, 269 Onyx 108, 130 Onyx, Californian 197 Onyx, Mexican 300 Onyx, sard, 108, 130, 132, 264 Opal 142,266, 287 Opal agate 297 Opal, analysis of 143 Opal, fire 290, 293, 296 Opal, lechosos 287, 291 Opal, localities of. ... 142, 288 Opal, moss 144 Opal, semi 144, 266 Opal, wood 135 Opalized wood 145 Oregon diamonds 29 Oriental emerald 39, 46 Oriental topaz 39, 66 Origin of jadeite 283 Origin of turquoise rock. 37 Ornamental uses of min- erals 330 Ornamental uses of tri- lobites 330 Orthoclase 162, 164, 268 Orthoclase moonstone. 163 Ouvarovite. .78, 86, 258, 261 Ouvarovite, analysis of. 85 PAGE PARISITE 87 Parasites in pearl oysters. 215 Peabody Museum collec- tion, 17, 73, 77, 90, 170, 194, 326 328 Pealite 146, 299 Pearl-bearing mussels .... 217 Pearl-find, New Jersey. 227 Pearl-fisheries, experi- ments in Saxony 228 Pearl-fisheries in Lower California 218 Pearl-oysters, divers for. 220 Pearl-oysters, domiciliares in 214, 215 Pearl-oysters, parasites in 215 Pearl-production, artificial devices for 213, 228 Pearl, Queen, the discov- ery of. 229 Pearls 211, 312 Pearls, black 224, 225 Pearls, blister 214 Pearls, cave 197 Pearls, clam 233 Pearls, colored 230 Pearls, conch 235 Pearls, curious shaped. 216 Pearls, derivation of Amer- ican 256 Pearls, extracting from shells for De Soto 244 Pearls, formation of. 211 Pearls, fresh-water 225 Pearls from Lower Cali- fornia, value of ... 223, 224 Pearls, history of Ameri- can 240 Pearls in Marriott Mound, Unio 227 Pearls, method of extract- ing in Saxony 232 Pearls, perforated 251 Pearls, shells containing .. 213 Pearls, size of fresh-water. 253 Pearls, Unio 216, 225 Pearls, value of conch. 236 Pearls, value of fresh-water 201 Pectolite 172, 178, 267 Pectolite, analyses of. ... 179 Pegmatite 165, 268 Perforated pearls 251 Peridot 101, 269 Peridot in meteorites 102 Peristerite 166, 268 Perthite 166, 268 Phenacite 98 Phenacite, analysis of. ... 101 Phenomenal gems, defini- tion of 311 Pipes, Indian 208 Pipestone 205 Pitchstone 170 Plasma 108 Polishing and grinding. 304 Polyadelphite, analysis of. 85 Porcelain jasper 108 PAGE Porphyry 268 Prairie dog with eyes of turquoise 6l Prase 107, I2O, 263 Precious stone, definition of 310 Precious stones, imports of 3H, 315 Precious stones in the United States, produc- tion of, tables 320, 321 Prehnite 180, 270 Prochlorite in quartz 287 Production of precious stones in the Um'ted States, table of. .320, 321 Properties of beryl 87 Properties of quartz 106 Properties of topaz 66 Properties of diamond ... 13 Properties of tourmaline. 70 Pseudo-nephrite 174 Pseudomorph of turquoise 61 Pyrite 198, 269, 299 Pyrite mirrors 300 Pyrope garnet, 78, 80, 81, 276 Pyrope garnet, analysis of 84 Pyrope garnets, localities of 80, 81 Pyroxene 185, 261, 269 QUARTZ 106 Quartz, analysis of 128 Quartz, artificial gold. ... 119 Quartz, asteriated 106 Quartz, aventurine 121 Quartz, cut objects of. ... 113 Quartz crystals from Ar- kansas no Quartz crystals, localities of 112, 262 Quartz, ferruginous 305 Quartz, gold 117, 126 Quartz, inclusions 124 Quartz, localities of gold. 118 Quartz, milky.. 107, 125, 262 Quartz, properties of. .... 106 Quartz, rose. .107, 120, 262 Quartz, rose gold 1 1 8 Quartz, rutilated 125 Quartz, sapphirine 107 Quartz, smoky.. 107, 116, 262 Quartzite 123 Quebec diamonds 262 Queen pearl, discovery of. 229 Quincite 288 RHODONITE 151 Rhodonite, analysis of. 152 Rock crystal 107, 261,262, 284 Rock crystal, archaeologi- cal value of 112 Rock crystal crescents. 286 Rock crystal from Alaska. 109 Rock crystal from North Carolina 108 Rock crystal skull 285 336 INDEX Rock crystal, cutting and carving 319 Rose gold quartz 1 1 8 Rose quartz —. 107, 120, 262 Rubellite 72, 73, 74, 75 Rubies, cape 81 Rubies in North Carolina. 46 Rubies, value of cape. ... 81 Ruby 39, 276, 311 Ruin aragonite 301 Rutile 192, 271 Rutilated quartz 125 SACRIFICIAL KNIVES .... 305 Sagenite 107, 124, 263 Sapphire. .39, 161,276, 280 Sapphire, Colorado 49 Sapphire, largest crystal. 45 Sapphire, Montana 48 Sapphire, Nevada 50 Sapphire, North Carolina. 45 Sapphirine quartz 107 Sard 108, 128 Sardonyx .. 108, 130, 132, 264 Satin spar 197 Saxon pearl fisheries, ex- periments in 228 Saxon topaz 66, 107 Scapolite 160, 270 Schorlomite 86 Schorlomite, analysis of. 85 Scotch topaz 107 Selenite 197 Semi-opal 144 Sepiolite 189 Serpentine 185 Serpentine, analysis of, 187 188 Shell beads 256 Shell heaps containing pearls 248 Shells containing pearls.. 213 Shepard collection at Am- herst College. (See Col- lection.) Siberian demantoids 148 Siderite 107 Silicified corals 122 Silicified trees 140 Silicified wood 135, 265 Silicified wood, how formed 135 Silliman collection at Cor- nell University 125, 326 Sioux Falls jasper. ...... 123 Size of fresh-water pearls. 253 Skull inlaid with turquoise 62 Skull of rock crystal 285 Smaragdite 44, 150 Smoky quartz. .. 107, 116, 262 Smoky topaz 116 Sodalite 160, 270 South African diamonds, 13 33 South Carolina diamonds. 2 1 Spanish topaz 107 Spear points 305 PAGE Spessartite 79 Spessartite, analysis of. 83 Sphaerulite 299 Sphene 194 Spinel 50, 259 Spinel, analyses of, 52 Spinel, green gahnite 51 Spinel, properties of 50 Spinel, localities of. 50 Spodumene 147 Spodumene, analyses of. 149 Spodumene, yellow 150 Staurolite 177, 269 Stibnite in quartz 126 Stream tin 191 Sunstone 163, 164, 268 Sunstone, analysis 164 TECALI MARBLE 283 Theory of formation of beryl 88 Theory of formation of silicified wood 136 Thetis hair stone 126 Thomsonite 181, 271 Thomsonite, analyses of. 182 Titanic iron 194 Titaniferous garnet 86 Titanite 194, 258, 270 Titanite, analyses of. ... 194 Topaz 66, 259 Topaz, analyses of 68 Topaz, Brazilian 66 Topaz, cut 69 Topaz, false 107 Topaz, localities of 67 Topaz, Oriental 39, 66 Topaz, properties of 66 Topaz, Saxon 66, 107 Topaz, Scotch 107 Topaz, smoky 1 1 6 Topaz, Spanish 107 Torrey, J., collection.. 15 9, 196 Touch-stone 107, 135 Tourmaline 70, 260 Tourmaline, analyses of... 76 Tourmaline, black 77 Tourmaline, color of. .... 71 Tourmaline, localities of. 71 Tourmaline, properties of. 70 Trees, agatized 132 Trees, silicified 140 Trilobites 330 Trocadero Museum collec- tion, 285, 286, 298, 299, 300 305 Turquoise 54 Turquoise, analyses of. 58, 64 Turquoise, artificial color- ing of 59 Turquoise, cutting and polishing 62 Turquoise district 60 Turquoise from Mineral Park, Ariz 60 Turquoise, localities of. 54 Turquoise masks 65 Turquoise, Mexicans' re- gard for 62 Turquoise mines at Los Cerrillos 56 Turquoise mosaics 63 Turquoise Mountain 55 Turquoise rock, origin of. 5 7 Turquoise, pseudomorph after apatite 61 Turquoise skulls 61 Turquoise, value of. 63 U. S. NATIONAL MUSEUM COLLECTION, 33, 47, 58, 69, 74, 86, 90, 92, 104, 115, 150, 169, 172, 177, 185,215,230, 278,284, 285, 287, 298, 300, 304, 305, 3°8, 323 328 Unio pearls. 216, 225 Unio pearls in Marriott Mound 227 Uralian emeralds 148 VALUE OF CONCH PEARLS. 236 Value of fresh-water pearls 23 1 Value of cape rubies. ... 8 1 Value of pearls from Low- er California 223, 224 Value of topaz 69 Value of turquoise 63 Vaux, W. S., Col'n, 47, 50, 90, 124, 177, 194, 201, 326 Venus hair stone 124 Vesuvianite 155 Virginia diamonds 1 6 WAMPUM 233, 248 Wampum, conch shells for 234 Watch jewels 261, 319 Wernerite 270 White garnet 258, 261 Wilcox, J. W., collection, 47, 53. 