Genealogy Silvertone Rectangular Family Tree Earrings. These earrings are actually aluminum and have been hand made in Portland, Oregon and no two are alike. A funky family tree look here, that's for sure! Earwires are sterling silver and all materials have been treated with a tarnish resistant clear coat to keep its beauty. Measurements: (without earwire) 3/4" tall x 1/4' wide.