NOVICA, in association with National Geographic, offers thousands of limited edition and one-of-a-kind gifts, jewelry, and home decor treasures handmade by master artists and artisans throughout the world. A butterfly poses in regal beauty in an exclusive design by Peru's Marianela Vargas. She expertly selects chrysocolla to recreate the fantasy of colors that distinguish a butterfly's exotic beauty. Necklace and earrings are cast of fine Peruvian silver. .950 silver rating. Artisan Info: "I was born in Lima on November 2, 1969," says jeweler Marianela Vargas Balarezo. "I learned my art through private classes and workshops, but from the time I was a child I loved jewelry. I always felt a special need to make my own pieces. I went through a period when my health was a problem and, while I recovered, I looked for something to pass the time. It seemed like a good idea to do something I liked while learning something new. One day when I was out for a walk, I noticed a place that offered classes in jewelry making. I never even thought about it. I signed up and I was hooked. That was in 2003 and today I am still creating new designs filled with life. "I'd describe my work as expressive. I enjoy extroverted designs. It's a wonderful form of self expression and time just flies when I'm working. I like to use a variety of silver crafting techniques that show how beautiful it is. "I love creating, combining and producing beautiful things. I couldn't stop now if I tried. My health was