I love a really nice chain necklace, and this love affair has prevailed for a good thirty years now. I can remember the moment it began -- I was admiring a beautiful chain necklace a friend was wearing, and she said, airily, "oh, all of my artist friends notice this." I think at that point I realized that I had strong visual ties to my environment.
I have recently decided to revisit my great love of chain jewelry, and here's an example for you (front and back of the same piece). The gemstone is blue agate:
Have a great weekend!