U+1F74C "🝌" Alchemical Symbol for Calx Unicode Character

U+1F74C "🝌" Alchemical Symbol for Calx is a historical typographic glyph used in early modern alchemy to represent calx, the powdery, ashy residue left after a metal or mineral has been strongly heated or calcined. This symbol belongs to the Alchemical Symbols block of the Unicode standard, which encodes a series of signs that alchemists employed to denote specific substances, processes, and concepts, such as calcination, which was central to alchemical practice. While no longer part of standard chemical notation, the character serves as a digital record of the rich visual language of medieval and Renaissance science, preserving the connection between esoteric tradition and the development of modern chemistry.

General Properties

Code Point	U+1F74C
Version Added	6.0
Name	Alchemical Symbol for Calx
Block	Alchemical Symbols
General Category	Other Symbol
Canonical Combining Class	Not Reordered
Bidirectional Class	Other Neutral

Encodings

HTML Decimal Encoding	🝌
HTML Hex Encoding	🝌
UTF-8 Encoding	0xF0 0x9F 0x9D 0x8C
UTF-16 Encoding	0xD83D 0xDF4C
UTF-32 Encoding	0x0001F74C
C/C++/Java Escape	\ud83d\udf4c

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Quick Check	Yes
NFKD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	Other