The Safety Chain has a clasp on it so you can unhook it.

I read the round stones are smoky topaz but am not sure.

I do not know what the mother of pearl looking stones are

Gorgeous sparkle with the round brown cabochons in between the mother of pearl looking rectangles.

It measures not quite 8.5 inches long without the safety chain.

The rectangles measure 1 1/16 inch by 3/4 inch