Approximate size of the piece: 2-3 x 3-4 cm Origin: Brazil The parts that will be delivered are similar to those in the photographs The necklace or thread are not included THERAPEUTIC PROPERTIES Blue chalcedony is considered a soft and calming energy stone. For this reason, it is usually a recommended stone for children. It brings serenity, creativity and optimism. It promotes expression, listening and communication. At the healing level, it is said to have an anti-inflammatory effect, stimulates the immune system and helps heal the lungs.