Hand cast in recycled brass Approximately 2×2 inches in width and height Sustainably made in-house in Portland, ORPlease allow 5-7 days for delivery.Tourmalated quartz forms when black tourmaline naturally occurs within a clear quartz crystal. Some believe that tourmalated quartz brings harmony, balance, and tranquility to the wearer. You will receive a matched pair, but please remember that each natural stone is unique and slight variations in color will occur. Each piece of Altar’s jewelry line, Iron Oxide, starts as a wax model that is carved by hand, then is cast into a mold locally in Portland, Oregon using recycled metals. Once the metal is cast stones and crystals are set by hand. Iron Oxide uses very minimal packaging, being mindful of the use of plastic and its impact on our planet. Each order is shipped with minimal packaging and is recyclable.