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Hysteron proteron, use of grammatical construction called, 206
laspis, a generic name applied to various colored transparent or translucent stones, 50-52, 107-108
Iberia, a source of cinnabar, 57, 195-96
Iconium, ancient mines at, 176
Imitations: iaspis, 107; lapis lazuli, 137; precious stones in general, 98; smaragdos, 97-98
Impressions, use of gypsos for taking, 60, 219
India, 53, 134-35
Indian reed, petrified, 53, 142
Inscriptions, 177, 202-203
Iron, 46, 51, 54, 117-18
Iron mines, 56, 177
Ivory: fossil, 53, 135-36; a stone resembling, 46
Jacinth, no Jade, 108
Jasper: black, 158; green, 138; red, 139; yellow, 139-40
Kallias, 58, 198-99
Kaolin, 209
Kaolinite, 212
Karystos, a source of asbestos, 88
Khalki, a source of copper minerals, 104, 183
Kimolian earth, 58, 209
Kimolos, 209
Kollybos, a unit of weight, 55, 153-55
Krithe, a unit of weight, 55, 153-55
Kyanos: a blue pigment, 53, 56, 57, 12627, 143-44. 175. 183-87; a blue precious stone, 52, 53, 126-27; Cyprian, 57, 183; Egyptian, 57, 183-87; Scythian, 57, 183-84; sex of, 52, 124, 126
Kydias, 56, 181-82
Labyrinth of Egypt, colossal statue in, 102 Lampsakos, gold mines at, 52, 129-30 Langurium, another name for lyncurium,
111-12, 115 Lapis lazuli, 126-27, 137, 183-84, 186 Lapis specularis, a term which apparently
included mica and selenite, 119 Laurion, silver mines at, 142-43, 174, 198-
99 Lava, 49, 95, 96 Lazurite, 126
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Lead, manufacture of white lead from, 57, 187-89
Lecythoi, composition of white ground on, 218
Lemnian earth, 177-78
Lemnos: a source of red ochre, 177-78; visit of Galen to, 178
Leyden Papyrus X: fire test for gold described in, 150; mention of the touchstone in, 157; recipes in, for gilding and silvering, 204, for preparing gold solders, 106, for purifying metals, 167, for whitening copper, 166
Lignite, 81, 86, 88
Liguria, 48, 51, 86, 116
Lime: included under the name gypsos, 210, 220-21; mortar made from, 21516; prepared by burning marble, 60, 78, 220; used for neutralizing wine, 216-17
Limestone, 67, 74-75, 77, 220
Lipara, 48, 84
Liparean stone, 48, 83-84, 131
Lipari Islands, a source of obsidian, 83
Liparite, 83
Lisbon (Olisipo), ancient point of export of garnets, 91
Lodestone, 67, n 7-18
Lydia, 67-68, 158-59
Lydian stone, a name for the touchstone, 46, 67-68, 157
Lyncurium, Latin name for lyngourion, 109-12, 115
Lyngourion: amber or a particular variety of amber, 51, 52, 109-16, 124; sex of, 52, 124
Lynx, the supposed producer of lyngourion, 111-12, 113-16, 124
Magnesia, various minerals named after, 144
Magnesian stone, 53-54, 144-45
Magnetism, n 7-19
Magnetite, 118, 145
Malachite, 100-101, 104, 105, 143-44, 174
Malodes, possibly a kind of pumice, 49, 96
Marble: burning of, to obtain lime, 60, 78, 220; Chian, 71-72; Egyptian onyx, 7273, 74, 214; infusibility of, 47, 78; Parian, 70-71; Pentelic, 71; use of, in neutralizing wine, 216-17
Marcasite, 143, 145
Marpessos, Mt., a source of Parian marble, 70
Massalia (Marseilles), ancient point of export for precious stones, 48, 52, 90-91
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