Our midsize science symbol necklace measures approximately .8 inches. The silver plated metal sheet cut out hangs from a sterling silver microball chain. The chain length is 16 inches and is finished off with a c-clasp. It makes a great gift for science lovers. We can alter the chain length according to your preferences.
Also we have a variety of stone colors: Please see our picture for options. You will be asked your color choice at check out.