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Tsavorite
A Vaiety of Grossular Garnet
Ca3 Al2 Si3 O12
Tsavorite is a variety of green grossular
garnet discovered in 1967. It is one of the newest of
the precious gemstones.
It
is often compared to emerald, but
in many ways, tsavorite is a superior choice. It occurs in
shades of green ranging from spring-like pale green to intensely
bluish green to deep forest green. It is not only more durable
than emeralds, it is also more highly dispersive and refractive.
Tsavorites are not treated with oils or resins as emeralds
typically are.
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