Blue Chalcedony Necklace with 925 silver lock. Length - 70 cm Weight - 60,3g A blue chalcedony necklace with a 925 silver lock signifies that the necklace is made of sterling silver (92.5% silver) and features a blue chalcedony gemstone, which is associated with calmness, communication, and emotional balance. The 925 mark indicates it is a high-quality, durable material, while the blue chalcedony stone is believed to foster emotional healing, promote empathy, and help one express themselves clearly. Item will be shipped by registered mail with tracking number.