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Plumbum, general term for lead, tin and
bismuth, 169, 178-179, 181, 209 Plumbum candidum (album, argen-
tarium), tin, 169, 178, 180 Plumbum cinereum, bismuth, 8, 19, 169,
178, 179 Plumbum nigrum, lead, 169, 178 Pneumenis, lead oxide, lead carbonate,
195 Pnigitis, cimolite in part, 5, 33 Polia, asbestos, 93, 112 Polygrammos, banded jasper, 112, 113,
140 Pompholyx, tutty, impure zinc oxide,
17, 190, 193 sulphates of lead, copper, zinc, etc.,
215 Pontica, plasma pt.; agate pt., 15, 142 Porphyrites, syenite porphyry, 150, 155 Porphyroides, probably a fossil, 101 Pramnion, smoky quartz, 139 Prasius (prasitis), prase pt.; chryso-
prase pt., 8, 108, 127, 147 Prasoides, peridot, 128 Psoricum, artificial salts of lead, zinc and
iron, 190, 200 Pumex, pumice, 80, 107-108
tufa, 167 Pyren, fossil, 96 Pyrites, pyrite pt.; marcasite pt., 12, 17,
209, 211-212, 221 hard fusible stones, 159 Pyropus, pyrope garnet, 135-136 Pyrrhopoecilos, hornblende granite, 152
Rhombites, calcite, 100
Rubigo, red iron rust, 56, 183
Rubinus, spinel pt.; pyrope garnet pt.,
116, 135 Rubrica, red ocher; limonite, 6, 21
Sabulum, a sandy earth, 160
Sacal, amber, 71
Saccharinus, artificial alum, 46
Sacodion, quartz, probably amethyst,
131 Sacrium, amber, 71 Sagda, a barnacle, 145 Sal, halite, 7, 9, 36-42 Sal ammoniac (sal ammoniacus), sal
ammoniac, 37, 41, 89 Sal ammoniacus subditicus, artificial sal
ammoniac, 41 Salts spuma, marine salt, 37 Salsugo, lime, 217
Samius lapis, quartz, 104-105, 112, 219 Samothracia, jet; lignite, 66, 68, 70, 112 Sandraca, realgar, 8, 56-58, 202
artificial minium, 199 Sandastros, unknown gemstone, possibly
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garnet, 109, 116, 117, 132, 137-138
Sandyx, artificial minium, 198, 199, 201, 210
Sangenis, opal, 122, 124
Santerna, copper ammonium carbonate, 196-197
Sapinos, amethyst quartz, 131
Sapphirus, lapis-lazuli; sapphire in part, 6, 11, 12-13, 109, 114, 115, 130, 147
Sarcites, silicified fossil or agate, 142
Sarcophagus, lime, 217
Sarda (sardo, sardius), carnelian pt.; sard pt., 6, 132
Sardachates, agate, 141
Sardonyx, sardonyx, 114, 132-133
Saurites, unknown stone, 147
Saxum arenarium, sandstone, 9, 12
Schistos, schist, 11 goethite, 8, 86-88
Selinitis, selenite, 7, 13
Semites, opal, 122
Serpentaria, probably serpentine, 152
Siderites, hard black rocks, 112
hard minerals with black metallic luster, including magnetite, corundum, etc., 121, 122, 145
Sideritis, magnetite, 83
Sigillum caprae, see terra lemnium
Sil, clay pt.; ocher pt., 34-35
Silex, hornstone pt.; possibly embraces flint, 9, 12, 110, 156-157
Sinopis, geothite in part, 200
Smaragdus, green
gemstones, principally emerald, but embraces cryp-tocrystalline
quartz, chrysocolla, beryl, 5, 6, 7, 12, 14, 83, 108, 112, 115, 117,
124-126, 129, 132, 147, 153
Smyris, emery, 9, 105, 115
Solis gemma, moonstone, 123
Sory, gray to black iron sulphates including melanterite, voltaite, 5, 8, 13, 45, 47-54
Sparlopolios, asbestos, 93, 112
Spinellus, spinel, 135-136
Spinus (spinos), pyritic, bituminous shale, 9, 12, 67, 215-216
Spodos, furnace
product, principally zinc oxide, 7, 9, 11, 13, 190, 192, 193-194
minerals formed by oxidation of primary ores of lead, zinc, etc.,
including alums, 215
Spongites, calcareous material found in sponges, 80, 112
Spuma argenti, artificial massicot in
part, 195-196 Spuma lupi, unknown mineral, 96 Squama, metallic iron scale, probably includes rust, 194
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