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Margarita, Pearl
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of 453
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228
MARGARITA.
Pecten, but only one. The gem grows within the flesh of the oyster, just as the measles in pork. One kind is extremely yellow, so as not readily to be distinguished when placed by the side of gold ; another is like silver ; a third perfectly white resembling a fish's eye."
Chares of Mytilene, in the 8th Book of his History of Alexander, says : " It is caught in the Indian Sea, and also off Armenia, Persia, Susiana, and Babylonia, and resembles the Oyster ; but is both bulky and long, containing meat both large and white, and of very agreeable odour. From which they extract the white bones and call them Margaritas, and make out of them necklaces, and bands for the arms and ankles ; on which both Persians and Medes and all the Asiatics set a much higher value than upon those made of gold."
But the fullest details are to be found in the Description of Parthia by Isidorus of Charace : " In the Persian Sea is a certain island where abundance of the Pearl-oyster is to be found. Wherefore rafts of reeds (bamboos) are stationed all around the island, from off which the divers, jumping into the sea t'o the depth of 20 fathoms, bring up two shells at a time. They assert that when there are continuous thunderstorms and falls of rain (the Monsoon), the Pinna then breeds more, and the pearl becomes most plentiful and of good size. In winter the shellfish is wont to retire into its holes in the deep : but in summer they swim about with their valves gaping wide open by night, but keep them closed by day. All that grow close to rocks or stones put forth roots, and abiding there fixedly breed the pearl. They are born alive, and are nourished through the part attached to the flesh. The latter is firmly fixed to the mouth of the shell, and has claws and catches food. This part is exactly like the little crab called the Pinnophylax. From this the fleshy part extends as far as the middle of the shell like a root, along which the pearls are bred, and grow through the solid part of the shell, and increase in size as long as they remain attached. But when the fish recedes along the length of its projection, and gently cuts off and severs the pearl from the shell, though it envelopes the pearl it no longer nourishes it, only renders it more polished, more transparent, and purer. The
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Table Of Contents
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King. Natural History of Precious Stones.
Contents & Preface
Introduction
Achates, Agate
Adamas, Diamond
Aetites, Eagle-Stone
Alabandicus, Almandine
Alabastrites
Amethystus, Amethyst
Argentum, Silver
Caelatura, Antique Plate
Asteria, Girasol
Aurum, Gold
Basanites, Basalt
Batrachites, Toadstone
Beryllus, Beryl
Callais, Turquois
Camahutum, Cameo
Carbunculus, Ruby
Ceraunia, Thunder-bolt
Chalcedonius, Calcedony
Chrysocolla, Carbonate of Copper
Chrysoprasius, Chrysoprase
Chrysolithus, Oriental Topaz
Ch. 1
: Corallium, Coral**
Crystallus, Rock-crystal
Cyanus, Lazulite
Agates, Jet
Heliotropium, Heliotrope
Hyacinthus, Sapphire, Corundum
Jaspis, Jasper, Quartz-gems
Lapis Lydius, Touchstone, Assaying
Lyncurium, Jacinth
Magnes, Loadstone
Margarita, Pearl
Molochites, Malachite
Murrhina, China-Agate
Naxium, Emery
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
Smaragdus, Emerald
Solis Gemma, Moon-stone
Sucoinum, Amber
Topazius, Peridot
Zmilampis, Cat's-eye
Vitrum Annulare, Pastes
Orpheus on Gems
Jewelry of the Ancients
Chemical Analysis of Precious Stones
Weights and patterns of famous Diamonds, &c
Notes
Description of the Tail Pieces
Index
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