U+1F735 "🜵" Alchemical Symbol for Regulus-4 Unicode Character

U+1F735 "🜵" Alchemical Symbol for Regulus-4 is a historic glyph from the alchemical tradition, specifically representing the metallic substance known as regulus, which in medieval and Renaissance alchemy referred to a purified, semi-refined antimony or a metallic form of a mineral, often associated with the antimony regulus prepared through a four-stage process. This character belongs to the Alchemical Symbols block of Unicode, encoding visual shorthand used in ancient manuscripts to denote materials, processes, or celestial influences in the transmutation of metals. The "regulus" concept was rooted in practical metallurgy and symbolic alchemy, with the numeral "4" likely indicating a particular grade or method of refinement. Today, the symbol is preserved in digital text to aid scholars, historians, and enthusiasts in reproducing authentic alchemical notation for study or creative work.