Catholic Saint Medals St. Agatha Charm On A 7 inch Oval Eye Hook Bangle Bracelet Bracelet is heavy-plated with Rhodium - a precious metal with a bright shiny silver finish that is both extremely durable and will not tarnish. The Sterling Silver St. Agatha charm measures 1/2 x 1/4 inches. Made in the USA by a New England jewelry manufacturer with over 100 years experience in creating beautiful, quality jewelry. Saint Agatha is the patron saint of Nurses/Breast Cancer. Memorial Day February 5th.