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Sec. IV, Ch. 6: Semi-Precious Stones, Aquamarines or Beryl

Sec. IV, Ch. 5: Semi-Precious Stone, Andalusite Page of 366 Sec. IV, Ch. 6: Semi-Precious Stones, Aquamarines or Beryl Text size:minus plus Restore normal size   Mail page  Print this page
     
     
 
CHAPTER VI.
 
 
 
 
 
AQUAMARINE, OR BERYL.
 
 
 
 
 
 
QUAMARINE is a name given to the varieties „ of Beryl which possess a pale green colour suggestive of sea-water, whence the name aqua marina. In fact; the Beryl, the Aquamarine, and the Emerald—though differing much in value as gem-stones— are all united by mineralogists under the head of a single species, inasmuch as they are found to agree in crystallo-graphic and chemical characters, while they differ mainly in colour. The pale green of the Aquamarine is probably due to the presence of a small proportion of oxide of iron, whereas the rich green of the Emerald appears referable to oxide of chromium
Aquamarine comes to us from Brazil ; and it is also found in the Ural Mountains, the Altai Mountains, in Siberia, Australia, and other parts of the world.
Aquamarine is made into a variety of ornaments. It is said that the Emperor Commodus possessed an Aqua­marine engraved with a portrait of Hercules by Hyllus ; and that in the treasures of Odescalchi, there was a stone engraved by Quintilius. representing Neptune, drawn by sea-horses, In the National Library in Paris there is a beautiful engraving by Evodus, on Aquamarine, of the head of Julia, the daughter of Titus. An Aquamarine, 2-1/16 inches long and 2-1/2 in thickness, adorned the tiara of Pope Julius II.
One of the finest known specimens of Aquamarine is the remarkable sword-hilt which was in the collection of
 
 
 
 
     
Sec. IV, Ch. 5: Semi-Precious Stone, Andalusite Page of 366 Sec. IV, Ch. 6: Semi-Precious Stones, Aquamarines or Beryl
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