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Aurum, Gold
Page
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AURUM.
113
name, on the reverse; the type of the obverse being their patron the Baptist; the coin, "la lega suggellata dal Battista." The great Italian cities were to the last honourably jealous about the purity of their gold coinage. Dante finds Maestro Adamo plunged very low in the realms of torment for having forged florins containing merely 3 carats of alloy (the present French standard nearly), at the instigation of the Counts of Romena, who thus made a profit of 12-1/2 per cent, by the falsification. (Inf. xxx.)
Our present standard, though
now
the highest used in Europe (on which account the Italian goldsmiths eagerly buy up our sovereigns to melt for their filigree-work, often at a higher rate than the course of exchange), dates strangely enough from the first attempt of Henry VIII. to tamper with the gold coinage; and this not before his 36th year, when he ventured to add 2 carats of alloy to the standard, ever before pure—a great national boast. Even
Ms
audacity advanced no further than the addition of 2 carats more in his last year, that time of bankruptcy. This last standard of 20 carats was used for the first mintage of his son ; but in his second he restored the
fine
for his sovereigns and angels, but retained that of 22 for all his other pieces—a rule never subsequently altered. The sovereign (or 30-shilling piece) continued of fine gold until its extinction under James I., as did the angel down to its last appearance in the reign of his unfortunate successor.
No European nation can at present boast of a coinage in
fine
gold, though down to the close of the last century such was largely minted in the Venetian and Papal zecchins, and the Dutch and Austrian ducats. The credit of maintaining to the last this ancient glory of the mint most fittingly rests with Florence, and with its late worthy and much-to-be-pitied Grand Duke Leopoldo, whose
ruspone
(20-dollar piece), a magnificent coin, equalling in beauty of execution its intrinsic purity, was issued, though sparingly, within my own recollection. For the new-stamped " Kingdom of Italy," the French standard of one-tenth alloy (for both metals) has been adopted; and the same
I
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Table Of Contents
Annotate/ Highlight
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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