Loose Gemstones | Gem Art | Gem Stone Information



	INDEX

	Medicinal uses: of Lemnian earth, 178; *of pumice, 96; of verdigris, 193 Melian earth, 58-59, 208-209, 210-12 Mel^art,* the Tyrian Herakles, 104 Melos: a source of pumice, 48, 49, 84; the source of an earth, 208-209 Mercury, 203-205 Metals: alloys of, 54, 106, 151-56, 16467; amalgams, 204; arsenic, 166; copper, 47, 51, 55, 57, 162-64, 165-67, 19193; formation and origin of, 45, 63; gold, 45, 46, 53, 54, 58, 63, 142, 150- 53, 199-200, 203-204; iron, 46, 51, 54, 117-18; lead, 57, 187-89; mercury, 203205; minerals that resemble, 142; quicksilver, 58, 203-205; silver, 45, 47, 53, 54, 63, 142, 152-53, 156, 204; testing of, 46, 54-55. 67-68, 150-56 Metrodorus, 1J5 Micon, 175 Miletus: anthrax found at, 48, 91-92; deposits of emery near, 91 Millstones, 47, 117-18 Milowite, modern trade name for Melian earth, 209** Miltos, red ochre, 172-73, 179-80 Mineral substances, origin of, 45, 63-66 Mines: accidents in, 56, 176; at Binai, 47, 80; cinnabar, 57, 195-97; copper, 51, 56, 104-105, 183; gold, 51, 52, 56, 105, 130, 158-59; iron, 56, 177; lost work of Theophrastus on, 64; red ochre, 56, 176-77; at 5capte Hylc, 48, 87; silver, 56, 58, 142, 198-99; spinos found in, 47, 81-82; unusual stones found in, 53, 144; yellow ochre, 56, 174 Mirrors, of obsidian, 52, 131 Miscarriage, prevented by amulets of eaglestone, 69 Modica, deposits of rock asphalt at, 85 Moonstone, 119 *Mortar, made of lime or gypsos,* 59-60, 215-16 Mosaics, stones used for, 52, 133-34 Mysia, a source of orpiment, 172 Names given to the same mineral substance in antiquity, 51, 74, 123-24 Naxos, stone of, 148-49 Nephrite, 108 Nisyros: abundance of millstone on, 77; pumice or volcanic ash on, 49, 95 North Sea, coasts of, a source of amber, 116 Obelisk of Zeus, 50**	*Obol, an Attic silver coin or weight, 154 Obrussa,* a term used by Pliny to denote the fire test for gold, 150 Obsiana (Obsidiana), Latin names for obsidian, 84 Obsidian, 75, 83-84, 131 Ochre: red, 53, 56-57, 172-73, :75-83; yellow, 53, 56, 173-74, 175. 181-83 Odontolite, 136 Odor of stones, 47, 53, 143 Oil: blackening of stone with, 54, 146; burning of a stone with, 48, 87-88; quenches burning Thracian stone, 83 Olisipo (Lisbon), ancient point of export** of garnets, 91 Olympia: 48, 85; temple of Zeus at, 74 Omphatitis, a stone probably similar to om- phax, 120 Otnphax, a green precious stone, 51, 120- *21 Onychion,* a generic term that included onyx, sardonyx, and agate, 52, 127-28 Onyx, 127-28 Onyx marble, 72-74, 214 Orchomenos, a source of anthrakion, 52, 130-31 Ore, smelting of, 77 Oriko, ancient ochre mines at, 176-77 Ormuz, a source of red ochre, 179 Orpiment, 53, 56, 171-72, 175; attempt to obtain gold from, 200 Oyster, 52 Pactolos River, 157 Painters, 56, 58, 60, 175, 181, 218 Painting, 59, 181, 190-91, 193, 218 Paints, 58, 202** Papyrus Holmiensis. See Stockholm Papyrus Papyrus Leiiensis. See Leyden Papyrus X *Paradoxes: ease of cleavage and hardness of stones, 54, 147; incombustibility of anthrax,* 89-90 Parian marble, 46, 70-71, 74 Parnassos, Mt., calcareous tufa found at, 74 Paros, marble of, 46, 70-71, 74 Particles, size of, in pigments, in relation to color, 54, 184, 187 Pearl, 52, 134 Pentelic marble, 71 Pentelicos, Mt., 71 Perrhaibia, a source of gypsos, 59, 214 Persia: alleged source of lapis lazuli, 127; the source of tanos, 102**

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