#Colorchallenge - blue - MOP-mother-of-pearl

A detailed example of MOP- or mother-of-pearl or abalone #shell- a material often used in Vintage Southwestern jewelry - oftentimes in combination w/ Sterling #silver as this piece of jewelry was.....Back in the day, in San Diego, you were allowed to dive for abalone shell - I remember every hippy household was not complete w/o a few of their useful shells -prismatic hued on the inside - drab on the outside -