The picture shows an example of a necklace set with rhinestones and a superior example of the beauty and luster of the rhodium finish. Rhodium is a quality metal and highly collectible. It is part of the platinum group!
Most custom jewelry is made from a white metal that is a combination of other metals which can include tin,lead, and cadmium. When the piece is white metal then the process is called electroplating. This process covers the dull metal with a thin layer of another metal.
"Rhodium is a metal that is part of the platinum group of metals and is often used to coat white metal" Rhodium, a hard metal was used because the plating did and does not chip away. In addition, Rhodium is highly reflective which makes it distinctive and beautiful. It holds its luster. There is not a look of tarnish ever or the appearing of a 'pot metal' look.
Rhodium tends to be more collectible because it holds so well up to the rigors of time. Pieces are in good condition and this finish was used on quality pieces.
Most rhodium finished pieces were produced after World War II which helps in dating your piece.
AVOID METALS THAT ARE TURNING GREEN. It is a "mold-like patina", it indicates that the metal is starting to break down. It is a type of rust and metal is already damaged! It renders the piece worthless. We recommend a purchase only if you tend to remove the beads for reuse.
Source:Collecting Costume jewelry 101 by Julia Carroll
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