When, by good fortune, this stone does happen to be broken, it divides into fragments so minute as to be almost imperceptible. These particles are held in great request by engravers, who enclose them in iron, and are enabled thereby, with the greatest facility, to cut the very hardest substances known. So great is the antipathy borne by this stone to the magnet, that when placed near, it will not allow of its attracting iron; or if the magnet has already attracted the iron, it will seize the metal and drag it away from the other. Adamas, too, overcomes and neutralizes poisons, dispels delirium, and banishes groundless perturbations of the mind; hence it is that some have given it the name of “ananchites.” Metrodorus of Scepsis is the only author, that I know of, who says that this stone is found also in Germany, and in the island of Basilia, where amber is found. He says, too, that this is preferable to the stone of Arabia; but can there be any doubt that his statement is incorrect?
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CHAP. 16.
SMARAGDUS.
Next in esteem with us are the pearls of India and Arabia, of which we have already spoken in the Ninth Book, when treating of the marine productions.
(5.) The third rank, for many reasons, has been given to the smaragdus. Indeed there is no stone, the colour of which is more delightful to the eye; for whereas the sight fixes itself with avidity upon the green grass and the foliage of the trees, we have all the more pleasure in looking upon the smaragdus, there being no green in existence of a more intense colour than this. And then, besides, of all the precious stones, this is the only one that feeds the sight without satiating it. Even when the vision has been fatigued with intently viewing other objects, it is refreshed by being turned upon this stone; and lapidaries know of nothing that is more gratefully soothing to the eyes, its soft green tints being wonderfully adapted for assuaging lassitude, when felt in those organs.
And then, besides, when viewed from a distance, these stones appear all the larger to the sight, reflecting as they do, their green hues upon the circumambient air. Neither sunshine, shade, nor artificial light effects any change in their appearance; they have 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 surface 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 the combats of the gladiators upon a smaragdus.
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CHAP. 17.
TWELVE VARIETIES OF THE SMARAGDUS.
Of this stone there are no less than twelve different kinds; of which the finest is the Scythian smaragdus, so called from the country where it is found. None of them has a deeper colour than this, or is more free from defects: indeed, in the same degree that the smaragdus is superior to other precious stones, the Scythian smaragdus is superior to the other varieties. Next in esteem to this, as also in locality, is the smaragdus of Bactriana. These stones are collected, it is said, in the fissures of rocks, when the Etesian winds prevail; a period at which the earth that covers them is removed, and the stones are detected by their brightness, the sands being greatly agitated by the action of the winds. These last, however, are much inferior, they say, to those of Scythia in size. The third rank is held by the stones of Egypt, which are extracted from the hills in the vicinity of Coptos, a city of Thebais.
All the other kinds are found in copper-mines, and hence it is that, of these varieties, the smaragdus of Cyprus holds the highest rank. The merit of them consists in their clear colour, which has nothing thin or diluted in it, but presents a rich and humid transparency, closely resembling the tints of the sea, in fact. Hence it is that these stones are at once diaphanous and shining, or, in other words, reflect their colours and allow the vision to penetrate within. They say that in this island, upon the tomb of a petty king named Hermias, near the fisheries there, there was formerly a lion in marble, with eyes made of smaragdi; the brilliancy of which penetrated the sea to such a degree, as to alarm the tunnies and put them to flight: a novel circumstance, which for a long time excited wonder in the fishermen, till at last the stones in the statue were changed for others.
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CHAP. 18.
DEFECTS IN THE SMARAGDUS.
It will be only proper, too, seeing that the prices of these stones are so exorbitant, to point out their defects. Some defects, no doubt, are common to all of them, while others, again, like those found in the human race, are peculiar only to those of a certain country. Thus, for example, the stones of Cyprus are not all green alike, and in the same smaragdus some parts are more or less so than others, the stone not always preserving that uniform deep tint which characterizes the smaragdus of Scythia. In other instances, a shadow runs through the stone, and the colour becomes dulled thereby; the consequence of which is, that its value is depreciated; and even more so, when the colour is thin and diluted.
In consequence of the defects in these stones, they have been divided into several classes. Some of them are obscure, and are then known as “blind” stones; some have a certain density, which impairs their transparency; others, again, are mottled, and others covered with a cloud. This cloud, however, is altogether different from the shadow above mentioned; for it is a defect which renders the stone of a whitish hue, and not of a transparent green throughout; presenting, as it does, in the interior or upon the surface, a certain degree of whiteness which arrests the vision. Other defects, again, in these stones, are filaments, salt-like grains, or traces of lead ore, faults which are mostly common to them all.
Next after the kinds above described, the smaragdus of Æthiopia is held in high esteem; being found, as Juba tells us, at a distance of twenty-five days’ journey from Coptos. These are of a bright green, but are seldom to be met with perfectly clear or of an uniform colour. Democritus includes in this class the stones that are known as “herminei,” and as “Persian” stones; the former of which are of a convex, massive shape, while the latter are destitute of transparency, but have an agreeable, uniform colour, and satisfy the vision without allowing it to penetrate them; strongly resembling, in this respect, the eyes of cats and of panthers, which are radiant without being diaphanous. In the sun, he says, they lose their brilliancy, but they are radiant in the shade, the brightness of them being seen at a greater distance than in the case of other stones. One other fault, too, in all these stones is, that they often have a colour like that of honey or rancid oil, or else are clear and transparent, but not green.
These defects exist in the smaragdi of Attica, more particularly, which are found in the silver-mines there, at a place known by the name of Thoricos. These last are never so massive as the others, and are always more pleasing to the sight when viewed from a distance: lead ore, too, is often to be detected in them, or, in other words, they have a leaden appearance when looked at in the sun. One peculiarity in them is, that some of them become impaired by age, gradually lose their green colour, and are even deteriorated by exposure to the sun. Next to the stones of Attica come those of Media, a variety which presents the most numerous tints of all, and sometimes approaches sapphiros in colour. These stones are wavy, and represent various natural objects, such as poppy-heads, for example, birds, the young of animals, and feathers: all of them appear naturally of a green colour, but become improved by the application of oil. No stones of this species are of a larger size than these.
I am not aware that any of these stones are still in existence at Chalcedon, the copper mines of that locality being now exhausted: but be this as it may, they were always the smallest in size and the
most inferior in value. Brittle, and of a colour far from distinctly pronounced, they resembled in their tints the feathers that are seen in the tail of the peacock or on the necks of pigeons. More or less brilliant, too, according to the angle at which they were viewed, they presented an appearance like that of veins and scales. There was another defect, also, peculiar to these stones, known as “sarcion,” from the circumstance that a kind of flesh appeared to attach itself to the stone. The mountain near Chalcedon, where these stones were gathered, is still known by the name of “Smaragdites.” Juba informs us that a kind of smaragdus, known as “cloras,” is used in Arabia as an ornament for buildings, as also the stone which by the people of Egypt is called “alabastrites.” On the same authority, too, we learn that there are several varieties of the smaragdus in the neighbouring mountains, and that stones like those of Media are found in Mount Taygetus, as also in Sicily.
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CHAP. 19.
THE PRECIOUS STONE CALLED TANOS. CHALCOSMA-RAGDOS.
Among the smaragdi is also included the precious stone known as “tanos.” It comes from Persia, and is of an unsightly green, and of a soiled colour within. There is the chalcosmaragdos also, a native of Cyprus, the face of which is mottled with coppery veins. Theophrastus relates that he had found it stated in the Egyptian histories, that a king of Babylon once sent to the king of Egypt a smaragdus four cubits in length by three in breadth. He informs us, also, that in a temple of Jupiter in Egypt there was an obelisk made of four smaragdi, forty cubits in length, and four in breadth at one extremity, and two at the other. He says, too, that at the period at which he wrote, there was in the Temple of Hercules at Tyrus a large column made of a single smaragdus; though very possibly it might only be pseudo-smaragdus, a kind of stone not uncommonly found in Cyprus, where a block had been discovered, composed, one half of smaragdus, and one half of jasper, and the liquid in which had not as yet been entirely transformed. Apion, surnamed “Plistonices,” has left a very recent statement, that there was still in existence, in his time, in the Labyrinth of Egypt, a colossal statue of Serapis made of a single smaragdus, nine cubits in height.
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CHAP. 20.
BERYLS: EIGHT VARIETIES OF THEM. DEFECTS IN BERYLS.
Beryls, it is thought, are of the same nature as the smaragdus, or at least closely analogous. India produces them, and they are rarely to be found elsewhere. The lapidaries cut all beryls of an hexagonal form; because the colour, which is deadened by a dull uniformity of surface, is heightened by the reflection resulting from the angles. If they are cut in any other way, these stones have no brilliancy whatever. The most esteemed beryls are those which in colour resemble the pure green of the sea; the chrysoberyl being next in value, a stone of a somewhat paler colour, but approaching a golden tint. Closely allied to this last in its brilliancy, but of a more pallid colour, and thought by some to constitute a separate genus, is chrysoprasus. In the fourth rank are reckoned the hyacinthine beryls; and in the fifth, those known as “aëroides.” Next, we have the wax-coloured beryls, and, after them, the oleaginous beryls, so called from the resemblance of their colour to that of oil. Last of all, there are the stones which closely resemble crystal in appearance; mostly disfigured by spots and filaments, and of a poor, faint, colour as well; all of them so many imperfections in the stone.
The people of India are marvellously fond of beryls of an elongated form, and say that these are the only precious stones they prefer wearing without the addition of gold: hence it is that, after piercing them, they string them upon the bristles of the elephant. It is generally agreed, however, that those stones should not be perforated which are of the finest quality; and in this case they only enclose the extremities of them in studs of gold. They prefer, too, cutting the beryls in a cylindrical form, instead of setting them as precious stones; an elongated shape being the one that is most highly esteemed. Some are of opinion that beryls are naturally angular, and that when pierced they become improved in colour; the white substance being thus removed that lies within, and their brilliancy heightened by the reflection of the gold in which they are set; or, at all events, their transparency being increased by this diminution in their thickness. In addition to the defects already mentioned, and which are pretty nearly the same as those to which the smaragdus is subject, beryls are affected with cloudy spots, like those on the finger-nails in appearance. In our own part of the world, it is thought that they are sometimes found in the countries that lie in the vicinity of Pontus. The people of India, by colouring crystal, have found a method of imitating various precious stones, beryls in particular.
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CHAP. 21. (6.)
OPALS: SEVEN VARIETIES OF THEM.
Opals are at once very similar to, and very different from, beryls, and only yield to the smaragdus in value. India, too, is the sole parent of these precious stones, thus completing her glory as being the great producer of the most costly gems. Of all precious stones, it is opal that presents the greatest difficulties of description, it displaying at once the piercing fire of carbunculus, the purple brilliancy of amethystos, and the sea-green of smaragdus, the whole blended together and refulgent with a brightness that is quite incredible. Some authors have compared the effect of its refulgence to that of the colour known as Armenian pigment, while others speak of it as resembling the flame of burning sulphur, or of flame fed with oil. In size, the opal is about as large as a hazel-nut, and, with reference to it, there is a remarkable historical anecdote related. For there is still in existence a stone of this class, on account of which Antonius proscribed the senator Nonius, son of the Nonius Struma, whom the poet Catullus was so displeased at seeing in the curule chair, and grandfather of the Servilius Nonianus, who in our own times was consul. On being thus proscribed, Nonius took to flight, carrying with him, out of all his wealth, nothing but this ring, the value of which, it is well known, was estimated at two millions of sesterces. How marvellous must have been the cruelty, how marvellous the luxurious passion of Antonius, thus to proscribe a man for the possession of a jewel! and no less marvellous must have been the obstinacy of Nonius, who could thus dote upon what had been the cause of his proscription; for we see the very brutes even tear off the portion of their body for the sake of which they know their existence to be imperilled, and so redeem themselves by parting with it.
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CHAP. 22.
DEFECTS IN OPALS: THE MODES OF TESTING THEM.
Defects in opal are, a colour inclining to that of the flower called heliotropium, or to that of crystal or of hailstones; saltlike grains intervening; roughness on the surface; or sharp points, presenting themselves to the eye. There is no stone that is imitated by fraudulent dealers with more exactness than this, in glass, the only mode of detecting the imposition being by the light of the sun. For when a false opal is held between the finger and thumb, and exposed to the rays of that luminary, it presents but one and the same transparent colour throughout, limited to the body of the stone: whereas the genuine opal offers various refulgent tints in succession, and reflects now one hue and now another, as it sheds its luminous brilliancy upon the fingers.
This stone, in consequence of its extraordinary beauty, has been called “pæderos” by many authors; and some who make a distinct species of it, say that it is the same as the stone that in India is called “sangenon.” These last-mentioned stones, it is said, are found in Egypt also, Arabia, and, of very inferior quality, in Pontus. Galatia, too, is said to produce them, as also Thasos and Cyprus. The finest in quality of them have all the beauty of opal, but they are of a softer brilliancy, and are mostly rough on the surface. Their colour is a mixture of sky-blue and purple, and the green hues of the smaragdus are wanting: those, too, are preferred, which have their brilliancy deepened by a vinous hue, rather than those which have their colours diluted, as it were, with water.
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CHAP. 23.
SARDONYX; THE SEVERAL VARIETIES OF IT. DEFECTS IN THE SARDONYX.
Thus far we have spoken in reference to the stones, which, it is generally agreed, belong to the highest rank; in obedience, more particularly, to a decree that has been passed by the ladies to that effect. There is less certainty with respect to those upon which the men as well have been left to form a judgment; seeing that the value of each stone depends more particularly upon the caprice of the individual and the rivalry that exists in reference thereto; as, for example, when Claudius Cæsar was so much in the habit of wearing the smaragdus and the sardonyx. The first Roman who wore a sardonyx, according to Demostratus, was the elder Africanus, since whose time this stone has been held in very high esteem at Rome: for which reason, we shall give it the next place after the opal. By sardonyx, as the name itself indicates, was formerly understood a sarda with a white ground beneath it, like the flesh beneath the human finger-nail; both parts of the stone being equally transparent. Such, according to Ismenias, Demostratus, Zenothemis, and Sotacus, is the sardonyx of India; the last two giving the name of “blind” sardonyx to all the other stones of this class which are not transparent, and which have now entirely appropriated the name to themselves. For, at the present day, the Arabian sardonyx presents no traces whatever of the Indian sarda, it being a stone that has been found to be characterized by several different colours of late; black or azure for the base, and vermilion, surrounded with a line of rich white, for the upper part, not without a certain glimpse of purple as the white passes into the red.
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