STERLING SILVER: Also known as "Standard Silver," sterling silver is silver alloyed with other metals to increase the hardness and durability. Generally, sterling is 92.5% silver and 7.5% other metals. Some sterling silver jewelry is plated with 14kt-18kt gold and referred to as "vermeil," or "gold over sterling."

WIRE: sometimes called "shepherd's hooks" or "fishhooks," earwires are a thin, hook-shaped earring backs. They thread onto the ear and can sometimes be squeezed into place or held on with a rubber clutch.

A shell pearl is a simulated pearl which has been lab-created from the shell of an oyster. It is resistant to damage from sweat and perfume and more affordable and durable than a traditional pearl.