INDEX OF SUBSTANCES. 



PAGE. 



Adularia 98 



Albite 97 



Aluminum 72 



Aluminum oxide 107 



Ammonium alum 50 



Ammonium-iron alum . 50 



Amphibole 100 



Apatite 33, 107 



Aragonite 22, 34, 178 



Asphaltum 48 



Azurite 1 1 , 34 



Beryl 18, 34, 104 



Beryllium oxide 115 



Borax 50 



Calcite.12, 22,30, 34, 122, 178 



Calcium 72 



Calcium oxide 121 



Calcium sulphate 1 20 



Carbon 46, 73, 91 



Carbonates 61, 62 



Carborundum 36, 43 



Celestite 33 



Cerium oxide 112 



Cerussite 10, 34, 178 



Chalcocite 14 



Chromite 15 



Chromium oxide 119 



Chrysocolla 11 



Cobalt glass 54 



Cobalt oxide 119 



Copper 72 



Copper oxide 119 



Corundum 17, 34 



Covellite 14 



Cryolite 32, 34, 43 



Cyanine 33 



Cyanite 18, 34 



Diamond 46 



Diaspore 32 



PAGE. 



Didymium nitrate 50 



Dolomite 1 2, 34 



Erbium oxide 117 



Feldspar 99 



Fluorite 46 



Glass 45, 102 



Glass (colored) . .55, 56, 103 



Gold 36, 53 



Gold (colloidal) 53 



Graphite (arc) 74 



Hematite 15, 119 



Iron oxide 15, 119 



Kuntzite 42 



Lanthanum nitrate .... 50 



Lead oxide 118 



Liquid glass 50 



Magnesite 13, 23, 31 



Magnesium oxide . .102, in 



Magnetite 15 



Malachite n, 34 



Manganous oxide 118 



Mica 29 



Molybdenite 13, 41 



Neodymium nitrate .... 51 



Neodymium oxide 118 



Nernst glower 81, 126 



Nickel 53, 71 



Nickel oxide 120 



Nitrocellulose 43 



Oligoclase 100, 129 



Orthoclase 99 



Osmium 90 



Phosphorus 45 



Platinum 119, 124 



Porcelain 102 



Potassium 77, 78 



Potassium alum 50 



Potassium permanga- 

 nate 50 



PAGE. 



Pyrrhotite 14 



Quartz (crystalline) . 21, 34, 



36, 45, 140 



Quartz (amorphous) ... 21, 



34, 115 



Rhodochrosite 178 



Rutile 17. 34, 105 



Scheelite 16, 34 



Selenium 15 



Siderite 12, 34, 44, 178 



Silicates 66 



Silver 36, 52 



Smithsonite . 10, 23, 34, 178 



Sodium 74, 77 



Sodium silicate 19 



Sphalerite 57 



Spodumene . . 19, 33, 34, 104 



Stannic acid 119 



Stibnite 33 



Strontianite . n, 24, 34, 178 



Sulphates 62, 63 



Sulphuric acid 50 



Tantalum 92 



Thorium oxide 112 



Topaz 19, 34, 105 



Tricalcium phosphate . . 121 



Tungsten 92 



Uranium oxide 112 



Vanadium oxide 115 



Water 50 



Water vapor 149 



Witherite ... n, 24, 34, 178 



Wollastonite 101 



Wulfenite 16, 34, 44 



Yttrium chloride 51 



Yttrium oxide 116 



Zincite 17, 118 



Zircon 16, 34 



Zirconium oxide. . 108, in 



183 



