I crocheted copper wire with some blue shaded glass beads to make this beautiful bracelet for my niece. The closure is done with a lobster clasp and an extension chain.
This bracelet can also be bought online on my Etsy and DaWanda stores

To learn how to create crocheted jewelry you can buy these books from amazon:
Crochet Wire & Bead Jewelry (Leisure Arts #3962)
Crocheted Wire Jewelry: Innovative Designs & Projects by Leading Artists (Lark Jewelry Book)
Crochet with Wire