Chrysocolla (gold-solder, Greek χρῡσόκολλα;[1] Latin chrȳsocolla,[2] oerugo, santerna; Syriac "tankar" (Bar Bahlul), alchemical symbol 🜸), also known as "goldsmith's solder"[3] and "solder of Macedonia" (Pseudo-Democritus),[4] denotes: