Tagua (tah-gwah) is a plant alternative to ivory. A large, hard nut that can be cut, shaped and sculpted into. Get these elegant Tagua half moon face in a sterling silver small earrings. They come with an amethyst cab designed by the ear wire and an opal cab with two silver stars design. Designed by Sabine Koehring and made in Indonesia. About 5g in weight and 1.75cm wide each.