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A
Abrasives, 81
Achates (Drillo) River, 176
Achirite, 188
Achroite, 161
Actinolite, 134
Adamantine spar, 20, 184
Adamas, 25
Adularia, 148
African diamond mines, 28
Agate, 176
------Brazilian, 180
------ Dendritic (Tree Stone),
178
-------Iceland, 191
------Moss, 176
------Opal, 116
------Oriental moss, 177
Alabaster, 184 Albite, 149
Alexandrite, 70, 132, 137 Almandine, 108, 112 Almandite, 108, 110 Amatrice, 185 Amazohite, 185 Amazonstone, 185 Amber, 169
------riders, 172
------Sea, 171
------Sicilian, 172
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Amethyst, 96
Amphibole, 189
Amphibole schists, 145
Amsterdam, 43, 47
Amsterdam diamond market, 47, 48
Angels, gems, 234
Anthrax, 84
Antimony, glass of, 212
Antwerp, 43, 48
Aphrizite, 161
Aphroseline, 148
Apostles, gems, 234
Appendix, 285
Aquamarine, 64
Aragonite, 134
Artificial rubies, 88
Arts and Crafts, 264
Aschentreckers, 166
Ash-drawers, 166
Asterias, 93, 94
Austrian Yellow Diamond, 244
Avanturine (aventurine), 150
Azurite, 186, 190
Β
Bacchus Stone, 96
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