Mini rock round blue chalcedony ring - silverDescription Bororo's signature rock ring in a smaller size with a beautiful blue chalcedony from Brazil. Mini rock rings are perfect for those who love the innovative design of rock rings and want to wear it every day. This ring is extremely gentle on clothing with its smooth, round shaped stone. The pieces in the rock series are made by applying the Japanese traditional method 'Dozuri'. This technique shapes the ring when the stone and metal are