INDEX

Absorption Spectra, [148]
Acetate process, [304]
Acetylacetone derivatives, [135]
Actinium, [100]
Aenigmatite, [8], [55]
Aeschynite, [8], [65]
Aldebaranium, [205]
Allanite, [8], [36], [39], [91]
Alshedite, [54]
Alvite, [8], [59]
Anatase, [8], [78]
Ancylite, [8], [81]
Anderbergite, [8], [49]
Annerödite, [9], [61]
Arc spectra, [151]
Arfvedsonite, [9], [51]
Arizonite, [9], [59]
Arrhenite, [9], [70]
Astrophyllite, [9], [55]
Auer mantles, history of, [270]
Auerbachite, [9], [31]
Auerlite, [9], [51]
Baddeleyite, [10], [75]
Bagrationite, [10], [45]
Bastnäsite, [10], [81]
Beckelite, [10], [51]
Benitoite, [10], [55]
Beryl, [102]
Blomstrandine, [10], [68]
Blomstrandite, [10], [71]
Bodenite, [11], [42], [45]
Bragite, [63]
Brasilite, [76]
Britholite, [11], [51]
Bröggerite, [11], [73]
Brookite, [11], [79]
Bucklandite, [42]
Calciothorite, [11], [49]
Calcite, [2], [38]
Cappelenite, [11], [51]
Carbides of rare earth group, [120]
Carbonates of rare earth group, [130]
Caryocerite, [12], [51]
Cassiopeium, [205]
Cassiterite, [3], [45], [46], [77]
Castelnaudite, [12], [88]
Cataplejite, [12], [51]
Cathode luminescence, [151]
Celtium, [207]
Ceria, [111], [117], [118], [161]
Ceric compounds, [160]
Cerite, [1], [30]
Cerium, atomic weight of, [164]
compounds, applications of, [317]
detection of, [165]
estimation of, [166]
group, history of, [168]
separation of, [169]
intermediate oxide of, [162]
metallic, [115]
nitrate, extraction from monazite of, [284]
separation of, [156]
Cerous compounds, [158]
Chalcolamprite, [12], [70]
Chardonnet process, [302]
Chlorides of rare earth group, [121]
Chromates of rare earth group, [129]
Churchite, [12], [80]
Clamond mantles, [268]
Cleveite, [13], [73]
Cordylite, [13], [80]
Cossyrite, [13]
Cryptolite, [84]
Cuprammonium process, [303]
Crytolite, [13], [49]
Davidite, [13], [59]
Delorenzite, [13], [56]
Derbylite, [13], [59]
Drummond light, [267]
Dysanalyte, [14], [71]
Dysprosium, [199]
history of, [195]
separation of, [196]
Edwardsite, [84]
Elpidite, [14], [45]
Endeiolite, [14], [70]
Equivalent weight determination, [153]
Erbium, atomic weight of, [202]
detection of, [203]
group, [199]
history of, [194], [201]
salts of, [202]
separation of, [196]
Erdmannite, [14], [45]
Eremite, [84]
Erikite, [14], [51]
Ethylsulphates of rare earth group, [127]
Eucolyte, [14], [50]
Eucolyte-Titanite, [54]
Eucrasite, [15], [49]
Eudialite, [15], [50]
Europium, atomic weight of, [188]
compounds of, [188]
history of, [185]
Euxenite, [15], [66], [68]
Eytlandite, [60]
Fahnehjelm mantles, [269]
Fergusonite, [15], [38], [63], [90]
Ferrocyanides of rare earth group, [123]
Ferro-titanium, [326]
Florencite, [15], [51]
Fluocerite, [15], [89]
Fluorides of rare earth group, [120]
Fluorspar, [2], [89], [102]
Formates of rare earth group, [133]
Freyalite, [16], [49]
Gadolinite, [1], [16], [33], [91]
Gadolinium, atomic weight of, [190]
compounds of, [190]
detection of, [191]
history of, [184], [189]
Geikielite, [16], [59]
Gorceixite, [16], [88]
Greenovite, [54]
Gröthite, [26], [54]
Guarinite, [16], [51]
Gummite, [73]
Hainite, [16], [70]
Halogen oxy-salts of rare earth group, [123]
Harmatite, [10], [81]
Helium ratio, [104], [106]
Hellandite, [16], [42]
Hiortdahlite, [17], [51]
Hjelmite, [17], [64]
Holmium, compounds of, [201]
history of, [195]
separation of, [196]
Homilite, [17], [51]
Hussakite, [17], [87]
Hydrides of rare earth groups, [116]
Hydrotitanite, [17], [59]
Hydroxides of rare earth groups, [116]
Illuminating power of gas, [266]
of mantles, [294]
Ilmenite, [17], [57], [90]
Ilmenorutile, [17], [71]
Johnstrupite, [17], [55]
Kainosite, [18], [45]
Karyocerite, [12]
Kataplejite, [12], [51]
Keilhauite, [18], [52]
Kischtimite, [18], [81]
Knopite, [18], [59]
Kochelite, [18], [64]
Koppite, [18], [64]
Lanthanite, [18], [79]
Lanthanum, atomic weight of, [173]
compounds of, [172]
detection of, [173]
metallic, [115], [171]
separation of, [170]
Lavenite, [19], [51]
Lead, [105], [107]
Lederite, [54]
Leucosphenite, [19], [55]
Leucoxene, [55]
Lewisite, [19], [59]
Lighting devices, [315]
Ligurite, [54]
Loranskite, [19], [64]
Lorenzenite, [19], [55]
Lutecium, [205]
Mackintoshite, [19], [79]
Magnetic susceptibility, [152]
Malacone, [19], [49]
Mauzeliite, [20], [59]
Melanocerite, [20], [51]
Menaccannite, [57]
Mengite, [84]
Mesothorium, [252], [276]
Metals of rare earth group, [114]
Michaelsonite, [14]
Microlite, [20], [64]
Misch metal, [115], [315]
Molengraafite, [20], [55]
Monazite, [4], [20], [82]
sands, [83], [90]
technical treatment of, [276]
Mosandrite, [20], [55]
Muromontite, [20], [42], [45]
Naegite, [31], [45], [49]
Narsarsukite, [21], [55]
Neodymium, atomic weight of, [179]
detection of, [180]
metallic, [115], [177]
oxides, [177]
salts, [178]
Neoytterbium, [206]
Neptunite, [21], [55]
Nernst lamp, [320]
Nitrates of rare earth group, [128]
Nitrides of rare earth group, [116]
Nivenite, [21], [73]
Nohlite, [21], [64]
Octahedrite, [8], [78]
Oerstedite, [21], [49]
Oisanite, [78]
Orangite, [21], [45]
Organic salts of rare earth group, [133]
Orthite, [8], [39]
Oxalates of rare earth group, [131]
Oxides of rare earth group, [115], [117]
Parisite, [21], [80]
Pauly process, [303]
Perovskite, [14], [22], [59]
Peroxides of rare earth group, [117]
Pertitanates, [235]
Phosphates of rare earth group, [129]
Phthalates of rare earth group, [134]
Picroilmenite, [16], [59]
Pictite, [54]
Pilbarite, [22], [49]
Pitchblende, [22], [72]
Platinocyanides of rare earth group, 123
Platinum mantles, [268]
Plumboniobite, [22], [62]
Polonium, [99]
Polycrase, [22], [66]
Praseodymium—
atomic weight of, [175]
compounds of, [174]
detection of, [176]
history of, [168]
metallic, [115], [174]
separation of, [170]
Priorite, [22], [66]
Pseudobrookite, [22], [59]
Pyrochlore, [23], [71]
Pyromorphite, [101]
Pyrophanite, [23], [59]
Pyrophoric alloys, [314]
Radioactivity, [99]
Radiothorium, [74], [99], [253]
Ramie, mantles of, [291]
Rare earth mixtures, examination of, [147]
Rare earths—
extraction of, from minerals, [147]
and periodic classification, [135]
Retzian, [23], [88]
Rhabdophane, [23], [88]
Rhönite, [23], [55]
Rinkite, [23], [55]
Risörite, [23], [38], [69], [102]
Rogersite, [24], [64]
Rosenbuschite, [24], [55]
Rowlandite, [24], [55]
Rutile, [24], [45], [77], [90]
Samarium, atomic weight of, [182]
detection of, [183]
history of, [168]
metallic, [115], [181]
salts of, [182]
separation of, [171]
Samarskite, [24], [38], [60], [91]
Scandium, atomic weight of, [217]
chemical relations of, [214]
compounds of, [215]
detection of, [218]
history of, [194], [213]
occurrence of, [3]
separation of, [186]
Schorlomite, [24], [55]
Scovillite, [23], [88]
Selenates of rare earth group, [128]
Selenites of rare earth group, [128]
Semelene, [54]
Senaite, [24], [59]
Silicofluorides of rare earth group, [121]
Sipylite, [24], [39], [63]
Spark spectra, [150]
Sphene, [26], [52], [90], [107]
Steenstrupine, [25], [51]
Strüverite, [25], [71]
Sulphates of rare earth group, [124]
Sulphides of rare earth group, [119]
Sulphites of rare earth group, [127]
Synchisite, [81]
Tachyaphaltite, [25], [49]
Tautolite, [42]
Tengerite, [25], [81]
Terbium, atomic weight of, [192]
detection of, [193]
group, chemical relations of, [185]
history of, [184]
separation of, [186]
history of, [184], [191]
salts of, [192]
Thalénite, [25], [43], [102]
Thiosulphates of rare earth group, [127]
Thorianite, [25], [73], [107], [251]
Thorite, [25], [45], [108], [251]
Thorium, atomic weight of, [262]
chemical relations of, [251]
compounds of, [254]
detection of, [263]
estimation of, [285]
extraction of, [251], [275], [283]
group relations of, [220]
metallic, [253]
radiochemistry of, [252]
separation of, [277]
sulphate purification of, [279]
Thorogummite, [26], [49]
Thortveitite, [26], [44]
Thulium, history of, [194], [203]
individuality of, [204]
salts of, [204]
separation of, [196]
Titanates, [234]
Titaniferous ironstone, [57]
Titanite, [26], [52], [90]
Titanium, atomic weight of, [236]
compounds for fixation of nitrogen, [337]
compounds of, in dyeing, [333]
compounds of divalent, [225]
compounds of trivalent, [226]
compounds of tetravalent, [230]
cyanonitride, [224]
detection of, [236]
electrodes, [331]
estimation of, [338]
group relations of, [219]
metallic, [223]
occurrence and extraction of, [222]
olivine, [26], [55]
steels, [329]
uses of, in metallurgy, [327], [330]
Tritomite, [26], [51]
Tscheffkinite, [26], [55]
Tungsten, [1], [31]
Turnerite, [83]
Tyrite, [63]
Tysonite, [26], [89]
Uhligite, [27], [59]
Uraninite, [29], [52]
Uranosphærite, [73]
Urano-tantalite, [60]
Vasite, [42]
Vietenghfiote, [27], [64]
Viscose process, [304]
Warwickite, [27], [59]
Weibyite, [27], [81]
Wiikite, [27], [70]
Wöhlerite, [28], [70]
Wolframite, [2], [214]
Xenotime, [28], [45], [86], [90], [207]
Ytterbia, [1], [206]
Ytterbite, [1], [33]
Ytterbium, atomic weight of, [206]
detection of, [207]
history of, [194], [205]
salts of, [206]
separation of, [196], [205]
Yttria, [1], [35], [111], [209]
Yttrialite, [28], [34], [45]
Yttrium, atomic weight of, [211]
detection of, [212]
group, history of, [194]
separation of, [195]
history of, [194], [208]
salts of, [210]
separation of, [196], [205]
Yttrocerite, [28], [88]
Ythrocrasite, [28], [56]
Ythrofluirite, [28], [89]
Yttrofluorite, [28], [89]
Yttrogarnet, [28], [45]
Yttrogummite, [28], [49]
Yttroilmenite, [60]
Yttrotantalite, [29], [62]
Yttrotitanite, [18], [52]
Zircon, [29], [38], [45], [47], [90], [107]
Zirconia, uses of, [323]
Zirconium, atomic weight of, [249]
compounds of, [249]
detection of, [242]
estimation of, [250]
extraction of, [239]
group, relations of, [219], [240]
history of, [238]
industrial applications of, [321]
Zirkelite, [29], [79]

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