Unakite. The metaphysical properties of the stone are all warm-and-fuzzy, and include balancing emotions and clearing the mind of clutter. You can find out more about Unakite in the the Gemstone Dictionary.
Maybe it is a favorite because I love this shade of green, or maybe I love it because it looks more like a piece of vegetation than a mineral. Regardless, I think it looks beautiful with this copper wire. Definitely a keeper!