Features The Citadel seal and "Alumni". By Carson Home Accents. Mr. Carson developed Statesmetalâ„¢, an aluminum alloy which is poured in it's molten form into sand molds to cast products that closely resemble pewter. The sand casting process is a time-honored technique dating back through early America and to Old World Europe. Statesmetalâ„¢ is very durable and will not chip, crack or break.