Chalcedony is taken into account a sacred stone by Indigenous People in america, chalcedony nurtures and encourages brotherhood and goodwill. Chalcedony is alleged to alleviate hostility, irritability and melancholy. A gemstone with uniformed shade starting from pale blue to deep blue that's the most valuable colour for chalcedony. Calypso Gems https://gemstones-south-africa17417.liberty-blog.com/30640807/gemstones-found-in-namibia-an-overview