is like the rainbow from white black
with every shade in between; most
popular is lavender, green and
white. The deep green is also known as
Imperial Jade and fetches the best prices
considering it has the right parameter.
to manipulate the gems by filling cracks
with raisin under high pressure and
“enhance” the color via heat treatment and /
or keeping the stones in a
chemical solution for a while. Since they
don’t tell this to customers they are crooks
and the buyer of the piece has a bad surprise after 2-3
years when the jewelry deteriorates.
manipulations are done almost
by Chinese who
try to squeeze money by cheating customers.
One of the problem is there are no basic
parameters which can be used as a guideline
such as with diamonds and the 4C's.