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Sarcophagus: of limestone with petrified
objects inside, 67; of chernites, 46, 73 Sard, 123 Sarda, 122, 125 Sardion: a red stone, 46, 50, 51-52, 122-
23 Sardonyx, 128 Scapte Hyle, a mining district in Thrace,
48, 87 Scicli, deposits of rock asphalt at, 85 Scoria, volcanic, 95
Scyros, a source of yellow ochre, 174 Seals: stone used for carving, 54, 147-49;
stones used for, 46-47, 50-52, 122-23 Sepiolite, 209 Serapis, colossal statue of, composed of
smaragdus, 102 Serpentine, 104 Sex in stones, 52, 124-25 Sicily, 48, 49, 83, 84, 85, 140 Siderite, 69
Sil, Latin name for yellow ochre, 174 Silver: 45, 47, 53, 54, 63, 142, 152-53, 156,
204; alloys of, 54, 152, 156; stone that
resembles, 54, 145; testing of, 54, 150-
56 Simonides, archon at Athens, 201 Sinai Peninsula, the source of copper ore
for Egypt, 101 Sinope, export point for red ochre, 56,
178-79 Sinopic red ochre, 56,178-80 Sinopis, Latin name for red ochre, 178-80 Siphnos: 54, 145; stone of, 54, 145-47 Slate, black, as a material for touchstones,
157 Smaragdos: counterfeits or imitations of,
98; false, 50, 101, 103, 104; a green
precious or semiprecious stone, 45, 46,
50, 51, 52, 97-102, 108-109, !33; large,
50, 100-102 Smaragdus, Latin equivalent of smaragdos,
97-98, 102, 133 Smelting of ore, 77
Smyrna, a source of yellow jasper, 140 Soapstone, an experiment with, 146 Soldering of gold, 50, 106 Solidification of mineral substances, 65 Spain, as a source of cinnabar, 195-96 Spathi, ancient ochre mines at, 176 Sphragis: a medicinal earth, 177; seal stone,
108 Spilia, ancient quarries of Pentelic marble
at, 71
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Spinel, 89, 91-92
Spinos, a combustible mineral substance,
47, 8i"82
Star, a variety of Samian earth, 59, 212-13 Stater: a gold coin, 90; a silver coin and
standard of weight, 54, 152-55 Steatite, 145-47 Stockholm Papyrus: recipes for imitating
precious stones, 98, 107; verdigris listed
as a coloring material, 193 Stone quarries, 46, 70-73 Stone(s): black, 49, 83-84, 130-32; blue,
52, 53, 126-27, '36-37; combustible, 47-
48, 80-81, 82-83, 85-88; cut for seals, 46-47, 50-52; engraved, 119, 121-23, 128; fire-resisting, 47, 76-77; fusible, 47; green, 50-51, 53, 97-103, 105-108, 12021, 137-38; hard, 54, 91-92, 147-49; having the power of attraction, 46, 51, 67-68, 113, 116-18; having the power of procreation, 46, 68-69; imitation, 97-
98, 107, 119-20, 137; incombustible, 4850, 89-90, 92; occurrence of, 46, 47-48, 50-51, 52-53, 53-54, 54-55, 70-76, 8082, 83-87, 90-91, 93, 95-96, 100-101,
127, 129, 132-33, 144-45, 148-49. 156-
58; organic substances classed as, 51, 53, m-13, 116, 141; origin or formation of, 45, 64-65; peculiarities in, 45, 53; properties of, 45-46, 50, 54, 67-69, 98-
99, 147-48; pregnant, 68; purple, 51, 52, 121-22; red, 48, 52, 53, 89-91, 12223, 138-39; remarkable, 50, 51, 52; sex of, 52, 124-25; small and rare, 46-47, 48, 50, 100; translucent or transparent, 46, 51-52, 107-108, 119-26; uses of, 46, 48, 52, 54, 70-72, 73-76, 85-86, 99, 106, 131, 145-47, I5°> 220; variegated, 52, 55, 128-29, 132; yellow, 53, 139-40
Stories or illustrative statements: attempt of Caligula to obtain gold from orpiment, 200; discovery by Kallias of a method for refining cinnabar, 58, 198-202; discovery by Kydias of a method of making red ochre, 56, 181-82; fire on a ship caused by gypsos, 60, 219-20; huge green stones, 50, 100-102, 103-104; origin of lyngourion, 51, 111-12, 11316; wonderful stone found in the gold mines at Lampsakos, 52, 129-30
Sudines, 115
Sulfates, manufacture of, in ancient times, 207
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