MATERIALS, TERMS, ETC.
C = Combining Weight
E = Equivalent Weight
| Symbol | C or E | Fusing Point | |
| Alumina (calcined) | Al2O3 | C 102 | Very infusible |
| Alumina (hydrated) | Al2O3·3H2O | C 156 | |
| Aluminium | Al | E 27 | 627° C. |
| Ammonia | NH3 | Volatile | |
| Antimony | Sb | E 120 | 432° C. |
| Antimony oxide | SbO | ||
| Arsenic | As | E 75 | 500° C. |
| Barium (metallic element) | Ba | E 137 | Fuses above red heat |
| Barium carbonate | BaCO3 | C 197 | |
| Barytes | BaSO4 | C 233 | Fuses about white heat |
| Bauxite | |||
| Bismuth | Bi | E 28 | |
| Borax (crystals) | Na2B4O7·10H2O | C 382 | Very fusible |
| Boric acid (crystals) | B2O3·3H2O | C 124 | |
| Boric acid (dry) | B2O3 | C 70 | High fusing point |
| Boron (metallic element) | B | E 11 | |
| Calcined bones | Infusible | ||
| Calcined kaolin China clay (fine) | Al2O3·2SiO2 | C 222 | Very infusible slightly vitreous at highest fire |
| Calcium oxide (lime) | CaO | C 56 | Very refractory if alone but fusible with clays |
| Calcium carbonate | CaCO3 | C 100 | |
| China stone Cornish stone | 8SiO2·2Al2O3·K2O | 1379 | 1300° C. about |
| Chrome oxide | Cr2O3 | C 79 | |
| Chromium | Ca | E 51 | Above platinum |
| Cobalt | Co | E 59 | 1500° C. |
| Cobalt oxide | Co2O3 | C 165 | |
| Cobalt oxide (black) | Co2O4 | C 240 | |
| Copper | Cu | E 63 | 1054°-1084° C. |
| Copper oxide (black) | CuO | C 79.5 | |
| Earthy colourants | |||
| Ochres | |||
| Siennas | |||
| Umbers | |||
| Felspar | 6SiO2·Al2O3·K2O | C 556 | 1200°-1300° C. about, according to purity |
| Flint (calcined) | SiO2 | C 60 | 1830° C. about |
| Fluorspar | CaF2 | Much lower than felspar | |
| Galena (lead sulphide) | PbS | Very fusible | |
| Gold | Au | E 147 | 1054°-1075° C. |
| Gypsum (plaster of Paris, if calcined) | CaSO4·2H2O | C 172 | |
| Iron | Fe | E 56 | 1530°-1600° C. about |
| Iron oxide | Fe2O3 | C 160 | |
| Iridium | Ir | E 193 | 1950° C. about |
| Kaolin (see calcined kaolin) | Al2O3·2SiO2·2H2O | C 258 | Infusible |
| Lead (metal) | Pb | E 206 | 326° C. |
| Lead carbonate | PbCO2 | ||
| Lead, red oxide of | Pb3CO4 | ||
| Lime (see calcium oxide or carbonate) | CaO | ||
| Lynn sand (see silver sand) | SiO2 | ||
| Magnesia (calcined) | MgO | C 40 | 430° C. |
| Magnesia (carbonate) | MgO·CO2 | ||
| Manganese, carbonate | MnCO3 | C 115 | |
| Manganese (metal) | Mn | E 55 | 1670° C. about |
| Manganese oxide (or black) | MnO2 | C 87 | |
| Nickel (metal) | Ni | E 58 | 1427°-1450° C. |
| Nickel oxide | NiO | C 75 | |
| Nitre | KNO3 | ||
| Pearl ash or potash | KOH | ||
| Plaster of Paris (calcined gypsum) | CaSO4·1⁄2H2O | C 145 | |
| Platinum | Pt | E 197 | 1710°-1775° C. |
| Potash, bichromate of | K2Cr2O7 | Fuses dull-red heat | |
| Potassium carbonate | K2CO3 | C 138 | |
| Potassium oxide | K2O | C 94 | |
| Quartz Quartz sand | SiO2 | C 60 | 1830° C. about |
| Rutile (see titanium) | |||
| Salt | NaCl | 776° C. | |
| Silica | SiO2 | C 60 | |
| Silver sand (or quartz sand) | SiO2 | ||
| Silver (metal) | Ag | E 107 | 945°-962° C. |
| Soda ash (calcined) | Na2CO3 | C 106 | |
| Soda crystals | Na2CO3·10 H2O | C 286 | |
| Sodium oxide | Na2O | C 62 | |
| Tincal (see borax) | |||
| Tin (metal) | Sn | E 119 | 233° C. |
| Tin oxide (white) | SnO2 | C 150 | |
| Titanium oxide (rutile) | TiO2 | Infusible | |
| Uranium (metal) | U | E 239 | 1800° C. about |
| Uranium, oxide of | U3O8 | ||
| Whitening (see lime carbonate) | |||
| Zinc (metal) | Zn | E 65 | 443° C. |
| Zinc oxide (white) | ZnO | C 81 |