Harry Potter Eye of Truth member ring
[[[CP|W:331|H:178|A:C|U:http://file1.qidian.com/chapters/201510/18/3603048635808055045677967256743.jpg]]] The rings worn by twelve core members such as Lockhart are made of silver and red agate ~ (the stone of longevity) to eliminate stress and fatigue, and promote the wearer's [happiness] and [abundance].
The rings of the ordinary members are cast from copper nat and the style is the same.