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Sapphirus, Lapis-lazuli
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276
NATURAL HISTORY OF GEMS.
originally accompanied a statuette in gold of the Athenian goddess, which graced some imperial
lararium,
perhaps Domitian's own. On the reverse of his fine gold medallion (Paris) his patron goddess appears with just such an owl as this at her feet. This unique piece of sculpture afterwards passed into the Cabinet of L. Fould. The Marlborough Cabinet possesses a few; more remarkable, however, for the extraordinary beauty and depth of colour of the material, than for the engravings (later Roman) upon them. As for camei of imperial date the finest known to me are a Messalina in front face (Marlborough), a Faustina in extremely high relief, and a Crispina in profile (both Praun). The Byzantines used it largely for the same purpose : a magnificent example in the Trésor de S. Denys, the donation as it would seem of the Emperor Heraclius, bore on one side the bust of the Madonna, on the other, of the Saviour. The Persians under the Sas-sanian dynasty often employed it for bearing regal porĀtraits, witness the grand Varahran in the British Museum.
With the Italians of the Cinque-cento it was an especial favourite, particularly for vases (of which the Louvre Museum displays a matchless example,* the
nacelle
(boat) of extraordinary magnitude, valued in the inventory at 200,000 francs), and for miniature busts and small relievi.
A serious defect of this substance is that by exposure to heat and moisture it loses its beautiful azure, and assumes sometimes a black, sometimes a chalky appearance, yet the best quality used by the Romans has often retained both colour and polish unimpaired in wonderful perfection.
The Egyptians covered much of their small works in terra-cotta, idols, symbolical figures, rings,
&c,
with a
* This elegant appropriation of tho stone to the purposes of art has lately been revived by the Parisian lapidaries with great success. The
vases of M. Eudolphi vie in novelty and grace of form with those of the
Renaissance.
Page
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Table Of Contents
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King. Gems Or Decorative Stones.
Contents & Preface
Achates, Agate
Aetites, Eagle-Stone
Alabandicus, Almandine
Alabastrites
Amethystus, Amethyst
Asteria Girasol Sapphire
Basanites Basalt
Batrachites, Toadstone
Beryllus, Beryl
Callais, Turquois
Camahutum, Cameo
Ceraunia, Thunder-bolt
Chalcedonius, Calcedony
Chrysocolla, Carbonate of Copper
Chrysoprasius, Chrysoprase
Chrysolithus, Oriental Topaz
Ch. 1
: Corallium, Coral**
Crystallus, Rock-crystal
Cyanus, Lazulite
Amazon Stone Labrador
Agates, Jet
Heliotropium, Heliotrope
Jaspis, Jasper, Quartz-gems
Lapis Lydius, Touchstone, Assaying
Lyncurium, Jacinth
Magnes, Loadstone
Molochites, Malachite
Murrhina, China-Agate
Naxium, Emery
Lapis Nephriticus Jade
Obsidianum, Obsidian
Onyx, Nicolo
Opalus, Opal
Ostracias, Marcasite
Ovum Anguinum, Druid's Bead
Pantarbes
Porphyrites, Porphyry
Prasius, Plasma
Sandaster, Aventurine
Sapphirus, Lapis-lazuli
Sardius, Sard
Sardonyx
Solis Gemma, Moon-stone
Sucoinum, Amber
Topazius, Peridot
Zmilampis, Cat's-eye
Vitrum Annulare, Pastes
Description Woodcuts
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