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Richard Hakluyt, The Principal Navigations, Voyages, Traffiques, and Discoveries of the English Nation 11 11 Browse Search
Harper's Encyclopedia of United States History (ed. Benson Lossing) 5 5 Browse Search
Knight's Mechanical Encyclopedia (ed. Knight) 3 3 Browse Search
George Bancroft, History of the Colonization of the United States, Vol. 1, 17th edition. 2 2 Browse Search
Pliny the Elder, The Natural History (ed. John Bostock, M.D., F.R.S., H.T. Riley, Esq., B.A.) 1 1 Browse Search
James Russell Lowell, Among my books 1 1 Browse Search
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Browsing named entities in Pliny the Elder, The Natural History (ed. John Bostock, M.D., F.R.S., H.T. Riley, Esq., B.A.). You can also browse the collection for 1593 AD or search for 1593 AD in all documents.

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Pliny the Elder, The Natural History (ed. John Bostock, M.D., F.R.S., H.T. Riley, Esq., B.A.), BOOK XXXVII. THE NATURAL HISTORY OF PRECIOUS STONES., CHAP. 16.—SMARAGDUS. (search)
ave always a softened and graduated brilliancy; and transmitting the light with facility, they allow the vision to penetrate their interior; a property which is so pleasing, also, with reference to water. In form they are mostly concave, so as to re-unite the rays of light and the powers of vision: and hence it is, that it is so universally agreed upon among mankind to respect these stones, and to forbid their surfaceEngraved emeralds are but seldom found among collections of ancient gems. In 1593, there was one found in the tomb of Maria, daughter of Stilicho, in the Vatican, with the head of Honorius, her husband, engraved upon it. to be engraved. In the case, however, of the stones of Scythia and Egypt, their hardness is such, that it would be quite impossible to penetrate them. When the surface of the smaragdus is flat, it reflects the image of objects in the same manner as a mirror. The Emperor Nero used to view"It may here be objected that real emeralds are too small to admit of