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CHAPTER XVII.
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IOLITE.
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NDER the name of lolite or Dichroite the
mineralogist is familiar with a certain stone which is remarkable for
its pleochroism, ro differences of tint when viewed in different
directions. Occasionally it is cut and polished as a gem-stone, and is
known to the jeweller as Saphir d'eau. The best specimens come
from Ceylon, those from Bavaria being almost opaque. It is also found
at Haddam, ConÂnecticut. The usual colours are various shades of blue
and violet, whence the name " lolite." The dark blue lolite is
sometimes known as Lynx-sapphire, but this term is also occasionally applied to an indigo-blue variety of true sapphire.
IOLITE.
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