Moss Agate Duck Crystal NecklaceOne copper electroformed Moss Agate Duck complete on a 22" soldered copper chain. This gorgeous Moss Agate is found in Indonesia. The patterns you see within this stone resemble growing plants and it's a stone that will help you grow in many ways. Ducks measure approximately 1. 5 x 2. 0. Size, shape, color and pattern may vary as no two stones or carvings are alike. Fun fact: Moss Agate is a great crystal for a cold.