Home U+1F700 to U+1F77F Alchemical Symbols
Glyph for U+1F738
Source: Noto Sans Symbols

U+1F738 Alchemical Symbol for Marcasite

U+1F738 was added to Unicode in version 6.0 (2010). It belongs to the block U+1F700 to U+1F77F Alchemical Symbols in the U+10000 to U+1FFFF Supplementary Multilingual Plane.

This character is a Other Symbol and is commonly used, that is, in no specific script. The character is also known as iron pyrite and iron sulfide.

The glyph is not a composition. It has a Neutral East Asian Width. In bidirectional context it acts as Other Neutral and is not mirrored. In text U+1F738 behaves as Alphabetic regarding line breaks. It has type Other for sentence and Other for word breaks. The Grapheme Cluster Break is Any.

The Wikipedia has the following information about this codepoint:

The mineral marcasite, sometimes called “white iron pyrite”, is iron sulfide (FeS2) with orthorhombic crystal structure. It is physically and crystallographically distinct from pyrite, which is iron sulfide with cubic crystal structure. Both structures do have in common that they contain the disulfide S22− ion, having a short bonding distance between the sulfur atoms. The structures differ in how these di-anions are arranged around the Fe2+ cations. Marcasite is lighter and more brittle than pyrite. Specimens of marcasite often crumble and break up due to the unstable crystal structure.

On fresh surfaces, it is pale yellow to almost white and has a bright metallic luster. It tarnishes to a yellowish or brownish color and gives a black streak. It is a brittle material that cannot be scratched with a knife. The thin, flat, tabular crystals, when joined in groups, are called “cockscombs”.

Jewelers’ meaning
In marcasite jewellery, pyrite used as a gemstone is called “marcasite” – that is, marcasite jewellery is made from pyrite, not from the mineral marcasite. Marcasite in the scientific sense is not used as a gem due to its brittleness. In the late medieval and early modern eras, the word “marcasite” meant all iron sulfides in general, including both pyrite and the mineral marcasite. The narrower, modern scientific definition for marcasite as orthorhombic iron sulfide dates from 1845. The jewelers’ sense for the word “marcasite” pre-dates this 1845 scientific redefinition.

Representations

System Representation
128824
UTF-8 F0 9F 9C B8
UTF-16 D8 3D DF 38
UTF-32 00 01 F7 38
URL-Quoted %F0%9F%9C%B8
HTML-Escape 🜸
Wrong windows-1252 Mojibake 🜸
alias iron pyrite
alias iron sulfide

Elsewhere

Complete Record

Property Value
Age 6.0 (2010)
Unicode Name ALCHEMICAL SYMBOL FOR MARCASITE
Unicode 1 Name
Block Alchemical Symbols
General Category Other Symbol
Script Common
Bidirectional Category Other Neutral
Combining Class Not Reordered
Decomposition Type None
Decomposition Mapping Glyph for U+1F738 Alchemical Symbol for Marcasite
Lowercase
Simple Lowercase Mapping Glyph for U+1F738 Alchemical Symbol for Marcasite
Lowercase Mapping Glyph for U+1F738 Alchemical Symbol for Marcasite
Uppercase
Simple Uppercase Mapping Glyph for U+1F738 Alchemical Symbol for Marcasite
Uppercase Mapping Glyph for U+1F738 Alchemical Symbol for Marcasite
Simple Titlecase Mapping Glyph for U+1F738 Alchemical Symbol for Marcasite
Titlecase Mapping Glyph for U+1F738 Alchemical Symbol for Marcasite
Case Folding Glyph for U+1F738 Alchemical Symbol for Marcasite
ASCII Hex Digit
Alphabetic
Bidi Control
Bidi Mirrored
Composition Exclusion
Case Ignorable
Changes When Casefolded
Changes When Casemapped
Changes When NFKC Casefolded
Changes When Lowercased
Changes When Titlecased
Changes When Uppercased
Cased
Full Composition Exclusion
Default Ignorable Code Point
Dash
Deprecated
Diacritic
Emoji Modifier Base
Emoji Component
Emoji Modifier
Emoji Presentation
Emoji
Extender
Extended Pictographic
FC NFKC Closure Glyph for U+1F738 Alchemical Symbol for Marcasite
Grapheme Cluster Break Any
Grapheme Base
Grapheme Extend
Grapheme Link
Hex Digit
Hyphen
ID Continue
ID Start
IDS Binary Operator
IDS Trinary Operator and
Ideographic
Indic Mantra Category
Indic Positional Category NA
Indic Syllabic Category Other
Jamo Short Name
Join Control
Logical Order Exception
Math
Noncharacter Code Point
NFC Quick Check Yes
NFD Quick Check Yes
NFKC Casefold Glyph for U+1F738 Alchemical Symbol for Marcasite
NFKC Quick Check Yes
NFKD Quick Check Yes
Other Alphabetic
Other Default Ignorable Code Point
Other Grapheme Extend
Other ID Continue
Other ID Start
Other Lowercase
Other Math
Other Uppercase
Prepended Concatenation Mark
Pattern Syntax
Pattern White Space
Quotation Mark
Regional Indicator
Radical
Sentence Break Other
Soft Dotted
Sentence Terminal
Terminal Punctuation
Unified Ideograph
Variation Selector
Word Break Other
White Space
XID Continue
XID Start
Expands On NFC
Expands On NFD
Expands On NFKC
Expands On NFKD
Bidi Paired Bracket Glyph for U+1F738 Alchemical Symbol for Marcasite
Bidi Paired Bracket Type None
East Asian Width Neutral
Hangul Syllable Type Not Applicable
ISO 10646 Comment
Joining Group No_Joining_Group
Joining Type Non Joining
Line Break Alphabetic
Numeric Type None
Numeric Value not a number
Simple Case Folding Glyph for U+1F738 Alchemical Symbol for Marcasite
Script Extension
Vertical Orientation U