Alchemical Symbols is a Unicode block containing symbols for chemicals and substances used in ancient and medieval alchemy texts.
Many of the symbols are duplicates or redundant with previous characters.
[3] Few fonts support more than a few characters in this block as of 2021.
One that does and is free for personal use is Symbola 14.0.
The following Unicode-related documents record the purpose and process of defining specific characters in the Alchemical Symbols block: