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Earth-pits, 58, 205-206
Earths: artificial, 56-57, 181-93, 210; classification of, 55-56, 169-70; differences in, 45, 55, 169; natural, 58-59, 193-94, 208-210; occurrence of, 56, 58-59, 17172. 173-74. i75-8o, 183-84, 195-97, 205206, 208-210, 213-14; origin or formation of, 45, 56, 58, 65-66, 170-71; uses of, 55, 56, 58, 59-60, 167-69, 17475, 178, 185, 190-91, 193, 194, 21011, 213, 215-19
Egypt, 46, 52, 72-73, 74-75
Egyptian kings, mention of records about, 50, 57, 100, 185-86
Egyptian materials and objects, 72-73, 7475, 100-101, 127, 172, 184-85, 214
Electron, amber, in
Electrostatic properties, of amber and lyngourion, 51, in, 113, 117
Elephantine, 52, 132
Elephants, as a source of ivory, 135
Eleusis, materials for temple at, 202-203
Elis, a source of lignite, 48, 85-86
Emerald, 97, 99-100
Emery, 91, 147-49
Ephesos, cinnabar found near, 57, 195-97
Eretrian earth, 208
Erineas, a source of a combustible stone, 48, 84-85
Etna, lava of, 77
Euphranor, 181
Experiment: on blackening soapstone with oil, 146; on making white lead, 188
Felsite, red, 139
Ferric oxide: coloration of quartz by, 122, 139; in red ochre, 173, 177, 181, 182; in yellow ochre, 173
Fire: as a test of gold, 54, 150-51; formation of earths by, 45, 56, 65-66, 17071; formation of pumice by, 49, 93; nature of gypsos due to, 60; origin of red ochre by, 57; power of resisting, 48, 92
First Cataract, 52, 132
Flower of Asian, or Assian, stone, 207
Fluorite, 108, 122, 138
Flux, limestone used as a, 77
Foam, supposed origin of one kind of pumice from, 49, 93
Fossil bones, 136
Fossil ivory, 53, 135-36
Fossil resin, 112-13
Fuel, use of mineral, in antiquity, 48, 86
Fullers, use of gypsos by, 60, 218-19
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Galen, 125-26, 178, 207
Galena, 142-43
Garments, ancient, of asbestos, 88
Garnet, 89-90
Gassinade, a stone containing embryo
stones, 69 Gaul, amber carried by trade routes
through, 116 Gems, ancient engraved, 108, 119, 121,
122, 128 Gender of Greek names for stone and rock,
125-26 Generative power, in stones, 68-69 Geodes, as a source of quartz crystals, 76,
122 Georgia, a source of cinnabar, 196 Gezer, bronze from, 165 Gifts, sent to Egyptian kings, 50, 57, 101,
185-86 Glance pitch, 168-69 Glass: 55, 102, 103, 119-20, 161-62;
volcanic, 83 Glass pastes, 119-20 Glass workers, 102, 103 Gold: 45, 46, 53, 54, 58, 63, 142, 150-53,
199-200, 203-204; alloys of, 54, 106,
I5I_53> 155-56; coins, 90; methods of
gilding, 203-204; soldering of, 50, 106;
testing of, 46, 53, 67-68, 151-58 Grain, as a unit of weight, 154 Granite, 72, 75 Grape-residues, 57, 191 Gypsos, a broad term that included gypsum, dehydrated gypsum, and lime, 58,
59-60, 210, 213-22 Gypsum, 72, 145, 210, 213, 214-19, 221
Haematites, Latin name that included our
present hematite, 138 Haematitis, Latin name for haimatilis,
138 Haimatitis, probably red jasper, 53, 138-39 Half-obol, as a unit of weight, 55, 153-55 Hematite, 138-39, 177 Heraclea, in Pontus or Lydia, probable
source of lodestone, 67 Heraclean stone, 46, 67-68, 118 Herakles, large green stone in temple of,
50, 103-104 Hermos River, 156-57 Hippias, 117 Hipponicos, 199 Hyacinth, no Hyaloeides, a glasslike stone, 51, 119-20
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