Description from Navajo Artist Dalon Rade: Magnificent Large Red Spiny Oyster. This wonderful piece spiny oyster is the Largest piece of spiny oyster I have ever cut. Out of many thousands of shells only one was good enough for me to extricate this size of cab from. Finally after many years I have decided to set this stone. My son Thomas created the Sterling Silver setting. This spectacular statement is a one of a kind. Parts of the spiny oyster is in this ring are chatoyant giving it a inter light that moves like aurora across parts of the ring. SIZE: 7 MEASUREMENTS: 2 1/8" X 1/8 Inches 54 X 28 mm SPINY OYSTER THE SHELL Spiny Oyster has becoming increasingly difficult to get . The primary area where the best shells come from. Has been turned into an marine reserve to preserve the environment for future generations, and the wonderful sea creatures that live there . There are still good shell to be had ,but they are few ,and I don't come by them very often. I buy what can when i can so I can create wonderful Cabochons like this one Like an orangish-red Color. You’ll never see another like this one!