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Jade
A semi-precious stone that comes in wide range of
colors like green, white, lilac, brown and almost black.
Jade are of two types translucent and opaque, among these translucent jade is more
valuable than opaque jade. Two different
minerals are known as jade: jadeite and nephrite. Jadeite is the
harder of the two and used in jewelry production.
Nephrite is slightly softer and is often veined; it is used in
carvings, for making beautiful bowls and vases. Natural
jadeite is called Type A or Grade A jade. Jadeite that had been bleached and then treated with
polymers (plastic) or waxes is called type B or Grade b jade. Jadeite that had been dyed is
called Type C or Grade C jade. Jadeite that has been both dyed and
impregnated with polymers is called Type B+C or Grade B+C.
Jump Ring
A circular metal ring with an opening, used to attach two other rings or links, and is
then soldered or pressed shut.
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