This is an exquisite vintage style cross necklace. Mother of pearl white iridescent shell inlay cross accented with aurora borealis crystals. You can see all the colors of the rainbow in these crystals. Perfect gift. The cross is approximately 1 in Long b 3/4 inch wide. The shell was inlaid in a pewter base which contains no nickel in case you are sensitive. You can shower and swim in a chlorine pool and it will not turn or tarnish. The length is 18 in long and includes a 2in extension with a Lobster Claw clasp. From a smoke free pet free home.