Alexandrite, a
strongly
pleochroic
(trichroic)
gem,
will
exhibit
emerald
green,
red
and
orange-yellow
colors
depending
on
viewing
direction
in
partially
polarised
light.
However,
its
most
distinctive
property
is
that
it
also
changes
color
in
artificial
(tungsten/halogen)
light
compared
to
daylight.
Green
color
in
sunlight,
red
in
yellow
light.
Color-changing
alexandrite
is
nature’s
of
Alexandrite
gems,
variety
of
Chrysoberyl
mineral.
Often
described
by
gem
aficionados
as
“emerald
by
day,
ruby
by
night,” alexandrite is
the
very
rare
color-change
Geographic
origin
for
Alexandrite
from
Russia,
Brazil,
Sri
Lanka,
Tanzania,
and
India
(Orissa).
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alexandrite, Indian
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stone, alexandrite gem,
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rough, natural ,real
alexandrite, alexandrite
gems, alexandrite earrings,
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