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Amethystus, Amethyst
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AMETHYSTU8.
"
61
Or, as Pliny explains it (xxxvii. 40), " because they never come up to the colour of wine, since before they touch it their lustre falls off into the colour of the
viola"
(
i.e.
pink cyclamen).
Pliny divides them into five kinds, the Indian holding the first rank ; others came from Arabia Petraea, Armenia Minor, Egypt, and Galatia ; inferior sorts from Thasos and Cyprus. The Indian displayed the precise colour of the imperial purple ; a variety of these " degenerated into that of the Hyacinthus (Sapphire), and was called by the Indians Sacondion, Sacon being their term for that particular tint ; if still lighter, it took the name of Sapenos." The fourth sort was of a wine colour ; the fifth and worst was so pale as to resemble a crystal. The most admired tint was when a slightly rosy hue shone out from amidst the purple, and became more conspicuous when viewed by transmitted light (in suspectu) ; such were distinguished by the title of Pœderotes (Cupids), or the " Gem of Venus," on account of the pre-eminence of their kind and their beauty.
The deeper the tint the less brilliant is the stone, for which reason the ancient engravers preferred the light-coloured variety, which of all gems, next to the Jacinth, possesses the greatest lustre ; or they may have used it for cutting upon on account of its greater cheapness, remarked above. That Amethysts of a fine colour (now so worthless) were deemed too valuable by the ancients to have their surface diminished by the sinking of intagli into them, appears from examples now extant. They were either worn as mere ornamental jewels uncut, or else polished to an extremely convex form, presenting in their exact centre a diminutive intaglio, a Gorgoneion, or a mask, in the nature of a talisman, that augmented the supposed virtue without detracting much from the native beauty of the gem. Pliny notes the suitÂableness of all the Amethyst family for engraving upon (scalp-
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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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