U+1F728 "🜨" Alchemical Symbol for Verdigris Unicode Character

U+1F728 "🜨" Alchemical Symbol for Verdigris is a historic typographic glyph representing a substance produced by exposing copper to acetic acid, resulting in a greenish blue patina widely used as a pigment and medicinal ingredient in alchemy and early chemistry. Within alchemical texts, this symbol specifically denoted verdigris, which was prized for its vibrant color and its role in processes such as gilding, ink manufacturing, and the preparation of various remedies. Today, it remains a distinctive element in digital character sets for preserving and communicating ancient scientific and mystical notations.