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Argentum rude rubrum obscurum, mixture of silver minerals, 205
Argentum rude rubrum translucidum, proustite, 205
Argentum vivum, quicksilver, 169, 174-176
Argentum vivum rude jecoris colore, calomel, 207
Argentum vivum rude nigrum, metacin-nabar, 207
Argentum vivum rude rubrum, cinnabar, 207
Argentum vivum sublimatum, artificial impure mercury sulphate, 190, 200
Argilla, clay, 26, 27
Argyritis, artificial basic lead carbonate, 195
Armatura, slickenside
pt.; the bright surface of fossil shells, either original nacre or
replacing pyrite and marcasite pt., 7, 95, 98-99, 101-102
Armenia terra, aluminous earth, 21, 34
Armenium (armenium color), copper sulphate or carbonate, 6, 13, 51, 55-56
Aromatites, resin, copal, amber, 79, 112
Arsenicum, embraces both realgar and orpiment, 17
Asbestos, asbestos, 93
Asbestos vivum, asbestos, 93
Aspilates, unknown gemstone, 6, 145
Assii lapidis flos (assae petrae flos), natural lime, 80, 217
Assius lapis {asius lapis), lime, both natural and artificial, 217
Assyria, banded green jasper, 140
Aster, see terra samia
Asteria, general name for girasol opal, sapphire, quartz, etc., 123
Asterios, general name for adularescent and star geme, 116, 123, 124, 147
Astrios, moonstone, 123
Astrobolos, moonstone, 123
Astroites, fossil coral, crinoid stems, etc., 12, 13, 15, 97, 123, 143
Atizoe, resin, 79, 112
Atramentum, general name for sulphates, 47, 181
Atramentum librarium, melanterite, 47
Atramentum metallicum, melanterite pt., 47
Atramentum sutorium, melanterite, gos-larite, and other iron sulphates, 5, 7, 9, 10, 13, 17, 18, 36, 45, 46, 47-51, 59, 112, 188
Augites, turquois pt.; chrysocolla pt., 129
Auripigmentum, orpiment, 6, 56-58, 203, 218
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Aurum, gold, 169, 170-172
Balanites, unknown mineral probably a fossil, 6, 144
Ballagius, light colored spinel, 135
Balux, native gold, 169
Baptes, artificially colored amber, 79, 112
Baroptos, unknown gemstone, 145
Basaltes, hard igneous and sedimentary rocks, 6, 11, 14, 112, 148, 149, 150, 154
Basanites, basanite quartz, 162
Batrachites, unknown gemstone, possibly chalcedony, 6, 116, 144
Belemnites, belemnite, 14, 101-102, 105
Beli oculus, chatoyant quartz pt.; eve-agate pt., 127, 142, 147
Beryllus, beryl, 114, 116, 117, 126-127, 129
Bisemutum, general name for bismuth and bismuth minerals, 19, 178
Bitumen, asphaltum, 8, 61-62, 65-67, 183
Bolenia, probably a concretion, possibly a meteorite, 145
Bombardaria, stanniferous copper alloy, 186
Borax, borax, including impure mixtures of borax and hydrous sodium carbonates, 42, 43, 197
Borea, jasper, 6, 113, 139, 140
Bostrychiles, asbestos, 93, 112
Botryites, unknown
mineral, two varieties, possibly hematite and dato-lite, 144 zinc
oxide and other zinc compounds formed in furnaces, 192
Brontia, fossil echinidea, 97-98
Bucardia, fossil pelecypod or cast, 14, 142
Caballinus, artificial iron-sulphur compound, 58 Cadmia, general name for natural and
artificial zinc compounds, 12, 13,
18, 20, 51, 69, 96, 181, 190, 209,
213-215 Cadmia atramentosa, goslarite pt., 216-
217 Cadmia botryites, zinc oxides formed in
furnaces, 192 Cadmia fornacum, zinc oxides formed in
furnaces, 96, 192-193, 200 Cadmia fossilis, smithsonite, including
hemimorphite, 8, 19, 187, 193 Cadmia fossilis metallica, smaltite pt..
96, 213 Cadmia sublimata, impure arsenous
oxide, 190, 214-215 Caeca, sardonyx, 133
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