Gray Flower Fossil Coral Necklace, Sterling SilverThis gray flower fossil coral cabochon is polished on both sides and has such interesting characteristics that I had to design with that in mind. The back cutout reminds me of a giant manta ray! I created a patterned bail that compliments the ocean theme. The cabochon is surrounded by decorative patterned square wire, which is also part of the bail element. All material is . 925 sterling silver except surrounding the cabochon, which is . 999 fine