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Sec. IV, Ch. 5: Semi-Precious Stone, Andalusite

Sec. IV, Ch. 4: Semi-Precious Stone, Amethyst Page of 366 Sec. IV, Ch. 6: Semi-Precious Stones, Aquamarines or Beryl Text size:minusplusRestore normal size  Mail page Print this page
CHAPTER V.
ANDALUSITE.
HIS mineral, which was named from its occur­rence in the province of Andalusia, in Spain, is occasionally found in Brazil in clear crystals admitting of being cut as an ornamental stone, Andalusite is, however, a very rare gem-stone. It is remarkable for displaying marked pleochroism. Some of the green crystals shew in the dichroiscope green and yellow images, whilst the brown crystals give a reddish brown and greenish yellow. A remarkably fine specimen of rich colour and great brilliancy, weighing 17-1/2 carats, was recently in the author's possession. Although a beautiful stone its hardness is only slightly above that of quartz.
ANDALUSITE.
Sec. IV, Ch. 4: Semi-Precious Stone, Amethyst Page of 366 Sec. IV, Ch. 6: Semi-Precious Stones, Aquamarines or Beryl
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