A Treatise on Diamonds and precious stones; including their history, natural and commercial. To which is added some account of the best methods of cutting and polishing them |
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Agates Alumine Amethyst appears Aquamarine beautiful bizel blowpipe blue Brazil Brazilian brilliant broaches cabochon carats Carnelian Ceylon Chalcedony chatoyant chiefly Chrysoberyl Chrysolite collet colour colourless conchoidal considerable cut and polished degree delicate steps Diamond ear-drops Emerald employed esteemed estimation Europe exhibit facets Felspar finest foliated fracture Garnet girdle Glucine green greenish hardness hence hexahedral hyacinth imbedded India inferior JARGOON Jasper jeweller jewellery Klaproth lamellar lamellar structure laminæ lapidaries latter less lour lustre Minas Novas mineral mineralogists mond necklaces occurs opake Opal ornaments ounce Oxide of Iron pale perfect perfectly pincers possession precious stones present primitive prism pyramids quartz rare Regent Diamond rhomboid ring stone rock crystal rolled pieces Ruby Sapphire seal stones semi-transparent Siberia Silex sometimes specific gravity specimens Spinelle substance surface tinge tint tion Topaz Tourmaline transparent Turquois unfrequently usually varieties Vauquelin violet vitreous yellow