- they are
polished as cabochons,
making the
scratches less evident. In
asteriated stones such as star
sapphires and
chatoyant stones such as cat's eye chrysoberyl...
- pink to red, orange, yellow, green, blue, violet; may be
color zoned,
asteriated mainly grey and
brown Crystal habit Steep bipyramidal, tabular, prismatic...
- in gems are
responsible for an
optical phenomenon known as asterism.
Asteriated gems are
known as "star" gems. Star sapphires, star rubies, and other...