Gorgeous freeform blue Australian opal doublet set in hand textured silver with organic twist bale. This one of a kind stone measures approximately 12 x 16mm at its widest points, and has subtle layers of the most beautiful blues. Opals are connected to the element of water, are an October birthstone as well as a 14th anniversary stone. Pendant measures just over 1 1/8 inch from top to bottom, and price includes an 18 inch snake chain.