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.