Unlock the secrets of the nature with this stunning Sterling Silver Designer Round Peridot Cat Charm Pendant. Peridot the August birthstone is a symbol of protection during the night, the yellowish green stone has been popular for long time.Sterling, at over 925 silver, is pure. Perhaps this metals most remarkable attribute is the way it ages. Silver patinas so beautifully that designers often exaggerate the quality, incorporating recesses protected from the natural polishing of everyday wear and even pre-oxidizing the surface.