The back of a necklace is called a clasp.
A necklace
A twisted necklace is called a torsade.
why Mathilde didn't go back to find her necklace when she discovered that she lost her necklace..^=^
A gold necklace-
This necklace is called a pendant.
The cross necklace is simply called a "cross necklace." It is a piece of jewelry that features a cross pendant as its main design element.
It is the code of the closing .... (hand made necklace?)
When a guy cums on your neckline, it is called a Pearl Necklace.
Well zuko never "gave back" her necklace, Aang stole it back in the episode "the waterbending scroll" and gave it back to her at the very end.
Lanyards
locket
The clasp.