This my Fontana- Masson Stain bracelet. It uses 4mm medium vitral crystals surrounded by gold 11* Delicas in a tennis bracelet pattern. Fontana-Masson Stain demonstrates argentaffin cells. Argentaffin cells are found in the epithelia of the stomach. It also, demonstrates carcinoid tumors. It is a silver stain producing brown to black melanin granules against a pink to red background.