diamond

allotrope of carbon often used as a gemstone and an abrasive
diamond
DGPC/ADF Luísa Oliveira · Public Domain · Wikimedia

Facts

32 properties
Instance of
mineral species
Chemical formula
C[8]
Cleavage
{111}[21]
Crystal habit
octahedron[17]
Density
+3.51, +3.515[40][41]
Different from
Diamond, Gyémánt[37][38]
Has part(s)
carbon[13]
IMA Mineral Symbol
Dia
IMA status and/or rank
grandfathered mineral (G)[18]
MCN code
7104.20.10[39]
Made from material
carbon[7]
Mineral fracture
conchoidal fracture[15]
Mohs' hardness
+10[25]
Named after
Invincible[6]
Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
1.CB.10a[24]
Nickel-Strunz 9th edition (updated 2009)
1.CB.10a[23]
Refractive index
+2.384[26]
Show all 32 facts +8
Shear modulus
+478
Source of material
Africa[42]
Standard molar entropy
+2.377
Streak color
white[14]
Strunz 8th edition (series ID, updated)
I/B.02b[22]
Tensile modulus of elasticity
+1050
Unicode character
💎[12]
🏷️ Also known as
en diamond ar ألماس ar الألماس cs diamant el διαμάντι es diamante fa الماس fi timantti he יהלום hi हीरा hu gyémánt id berlian id intan ja ダイヤモンド ja 金剛石 ko 다이아몬드 pl diament ru алмаз th เพชร tr elmas
🔖 Identifiers · 98
Library of Congress Authorities ID
sh85037566
GND ID
4012069-7
OpenAlex ID
C2776921476
ASC Leiden Thesaurus ID
294907785
Arab Encyclopedia concept ID
367
Art & Architecture Thesaurus ID
300011084
Australian Educational Vocabulary ID
scot/3181
BBC News topic ID
c34pgz9llvzt
BNCF Thesaurus ID
32579
BabelNet ID
16563113n
Baidu Tieba name
钻石
Show all 98 identifiers +86
Bashenc.online ID
82314
Bibliothèque nationale de France ID
12161401j
Biblissima authority ID
Coulonges
Brilliant Wiki ID
chemistry-of-diamonds
CAS Registry Number
7782-40-3
COD ID
2300702
Canadian Encyclopedia article ID
diamond
ChEBI ID
33417
Concepticon concept set ID
3878
DSSTox substance ID
DTXSID10905072
Dana 8th edition
1.3.6.1
De Agostini ID
diamante
Dewey Decimal Classification
553.82
EC number
231-953-2
ECHA Substance Infocard ID
100.029.048
Enciclopedia della Scienza e della Tecnica ID
diamante
Encyclopedia of China (Third Edition) ID (2026)
4XnoPB, 6W8w8
Encyclopedia of China (Third Edition) old ID (2021)
55358, 107729
Encyclopedia of Modern Ukraine ID
43816
Encyclopædia Britannica Online ID
topic/diamond-gemstone
Encyclopædia Universalis ID
diamant
France 24 topic ID (French)
diamants-1
Freebase ID
/m/027_y
Giant Bomb ID (former scheme)
3055-2050
Giant Bomb Wiki ID
Objects/Diamond
Gmelin number
15667
Gran Enciclopèdia Catalana ID
diamant-5
Gran Enciclopèdia Catalana ID (former scheme)
0098910
Great Norwegian Encyclopedia ID
diamant
Great Russian Encyclopedia Online ID (2017)
1814113
Harper's tag
diamonds
IMDb keyword
diamond
J9U entity ID
987007553034805171
JSTOR topic ID (archived)
diamonds
KBpedia ID
Diamond-Gem
Kivid.info ID
818
Klexikon article ID
Diamant
Krugosvet article (archived)
Earth_sciences/geologiya/ALMAZ.html
Lex ID
diamant
MeSH descriptor ID
D018130
MeSH tree code
D01.268.150.200
Microsoft Academic ID (discontinued)
2776921476
Mindat mineral ID
1282
Minerals.net mineral and gemstone ID
gemstone/diamond_gemstone, mineral/diamond
Museum-digital tag ID
14280
NDL Authority ID
00561237
NL CR AUT ID
ph136887
Namuwiki ID
다이아몬드
National Historical Museums of Sweden ID
term/D991248B-CDA0-4736-BF8B-C3989D828948
National Library of Poland MMS ID
9810646775805606
New York Times topic ID
subject/diamonds
NicoNicoPedia word article ID
ダイヤモンド
OmegaWiki Defined Meaning
416537
Online PWN Encyclopedia ID
3892443
PACTOLS thesaurus ID
pcrtcTqKm5ufUF
PM20 ware ID
142251
Pixiv Encyclopedia ID
ダイヤモンド
Quora topic ID
Diamonds
RKD thesaurus ID
75209
RxNorm CUI
1362686
STW Thesaurus for Economics ID
14225-6
SVKKL authority ID
0223429-diamanty
ScienceDirect topic ID
engineering/diamond
Spanish Cultural Heritage thesauri ID
materias/1001057
Stack Exchange tag
physics.stackexchange.com
Topic's main category
Category:Diamond
Treccani ID
diamante
Treccani Vocabulary ID
diamante
Treccani's Dizionario delle Scienze Fisiche ID
diamante
Treccani's Dizionario di Economia e Finanza ID
diamante
U.S. National Archives Identifier
10647959
UK Parliament thesaurus ID
9639
UMLS CUI
C0057717
UN Thesaurus ID
1001641
Vikidia article ID
fr:Diamant
Wellcome Collection concept ID
nj6v3rg2
WikiKids ID
Diamant
WordNet 3.1 Synset ID
14858733-n
YSO ID
12930

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
← Made from material 81
Examples 44
← Product or material produced 26
Subtypes 13
Described by source 6
Named after 6
Subclass of 4
← Field of work 4
Has use 2
On focus list of Wikimedia project 2
← Category combines topics 2
← Category's main topic 2
← Facet of 2
← Industry 2
Belongs to 1
Crystal habit 1
Crystal system 1
Different from 1
Has part(s) 1
Made from material 1
Mineral fracture 1
Named after 1
Streak color 1
Topic's main category 1
← Depicts 1
← Different from 1
← Is a list of 1
← Model item 1
← SNARC ID 1
← Uses 1
Press Enter · cited answer in seconds

Summary

diamond is a mineral species[1]. diamond is a type of carbon-silicon family[2], covalent network solid[3], native element mineral[4], and allotrope of carbon[5].

Body

Works and Contributions

Things named for diamond include Diamantina[43], a municipality of Brazil[44], in Brazil[45]; paradox of value[46], a paradox[47]; demantoid[48], a mineral variety[49]; Almaz[50], a cruiser[51]; diamond graph[52], an uniquely Hamiltonian graph[53]; and Diamant[54], a train service[55], in Belgium[56], founded in 1962[57].

Why It Matters

Entities named for diamond include Diamantina[43], a municipality of Brazil[44], in Brazil[45]; paradox of value[46], a paradox[47]; demantoid[48], a mineral variety[49]; Almaz[50], a cruiser[51]; diamond graph[52], an uniquely Hamiltonian graph[53]; and Diamant[54], a train service[55], in Belgium[56], founded in 1962[57].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [6] ↑ . wikidata.org.
  2. [7] ↑ . wikidata.org.
  3. [8] ↑ . wikidata.org.
  4. [2] ↑ . wikidata.org.
  5. [3] ↑ . wikidata.org.
  6. [4] ↑ . wikidata.org.
  7. [5] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . wikidata.org.
  26. [27] ↑ . wikidata.org.
  27. [28] ↑ . wikidata.org.
  28. [29] ↑ . wikidata.org.
  29. [30] ↑ . wikidata.org.
  30. [31] ↑ . wikidata.org.
  31. [32] ↑ . wikidata.org.
  32. [33] ↑ . wikidata.org.
  33. [34] ↑ . wikidata.org.
  34. [35] ↑ . wikidata.org.
  35. [36] ↑ . wikidata.org.
  36. [37] ↑ . wikidata.org.
  37. [38] ↑ . wikidata.org.
  38. [39] ↑ . wikidata.org.
  39. [40] ↑ . wikidata.org.
  40. [41] ↑ . wikidata.org.
  41. [42] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [43] ↑ . wikidata.org. → on this site
  2. [46] ↑ . wikidata.org. → on this site
  3. [48] ↑ . wikidata.org. → on this site
  4. [50] ↑ . wikidata.org. → on this site
  5. [52] ↑ . wikidata.org. → on this site
  6. [54] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [44] ↑ . Wikidata. wikidata.org. → on this site
  2. [45] ↑ . Wikidata. wikidata.org. → on this site
  3. [47] ↑ . Wikidata. wikidata.org. → on this site
  4. [49] ↑ . Wikidata. wikidata.org. → on this site
  5. [51] ↑ . Wikidata. wikidata.org. → on this site
  6. [53] ↑ . Wikidata. wikidata.org. → on this site
  7. [55] ↑ . Wikidata. wikidata.org. → on this site
  8. [56] ↑ . Wikidata. wikidata.org. → on this site
  9. [57] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). diamond. Retrieved November 9, 2026, from https://4ort.xyz/entity/diamond
MLA “diamond.” 4ort.xyz Knowledge Graph, 4ort.xyz, 9 Nov. 2026, https://4ort.xyz/entity/diamond.
BibTeX @misc{4ortxyz_diamond_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{diamond}}, year = {2026}, url = {https://4ort.xyz/entity/diamond}, note = {Accessed: 2026-11-09}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): diamond — https://4ort.xyz/entity/diamond (retrieved 2026-11-09)

Canonical URL: https://4ort.xyz/entity/diamond · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 6w ago · Susmuffin · 2026-09-24 view diff on Wikidata ↗
    Harper's tag → diamonds
    Encyclopedia Tatarica (tt) Online ID → razdely/priroda/poleznye-iskopaemye/fajdaly-kazylmalar/almaz
    "Created claim: Harper's tag: diamonds, Matched to diamonds (#289919563) in Harper's tag #mix'n"
  2. 10w ago · Frhdkazan · 2026-08-25 view diff on Wikidata ↗
    Encyclopedia Tatarica (ru) Online ID → razdely/priroda/poleznye-iskopaemye/poleznye-iskopaemye/alma
    "Created claim: Encyclopedia Tatarica (ru) Online ID: razdely/priroda/poleznye-iskopaemye/poleznye-iskopaemye/almaz"
  3. 12w ago · Baum64 · 2026-08-16 view diff on Wikidata ↗
    COD ID → 2300702
    "Created claim: COD ID: 2300702, batch #269035"
  4. 13w ago · ZI Jony · 2026-08-09 view diff on Wikidata ↗
    Source of material → Africa
    "Created claim: Source of material: Africa, #quickstatements; #temporary_batch_1786259600634"
  5. 15w ago · Kirilloparma · 2026-07-25 view diff on Wikidata ↗
    Giant Bomb Wiki ID → Objects/Diamond
    "Created claim: Giant Bomb Wiki ID: Objects/Diamond, Adding missing P14470 and P9675 qualifier based on P5247"
  6. 15w ago · Pierrotrgr · 2026-07-23 view diff on Wikidata ↗
    Biblissima authority ID → Coulonges
    "Created claim: Biblissima authority ID: Q294957, Import ID Biblissima V3 (details)"
  7. 17w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    Encyclopedia of China (Third Edition) ID (2026) → 4XnoPB, 6W8w8
    Maintained by WikiProject → WikiProject Gemstones, WikiProject Gemology and Jewelry, WikiProject Geology +1
    "Changed the item: QuickStatements 3.0 batch #40849: ZGBK ID"
  8. 19w ago · Treisijs · 2026-06-25 view diff on Wikidata ↗
    Maintained by WikiProject → WikiProject Gemstones, WikiProject Gemology and Jewelry, WikiProject Geology +1
    "Created claim: Maintained by WikiProject: WikiProject Gemstones"
  9. 20w ago · Yirba · 2026-06-20 view diff on Wikidata ↗
    Encyclopedia of China (Third Edition) ID (2026) → 4XnoPB, 6W8w8
    "Changed the item: QuickStatements 3.0 batch #37444: Encyclopedia of China (Third Edition) ID (2026) (Encyclopedia of China (Third Edition) ID (2026)) 2"
  10. 21w ago · Jindřich Rubeš · 2026-06-12 view diff on Wikidata ↗
    SVKKL authority ID → 0223429-diamanty
    "Created claim: SVKKL authority ID: 0223429-diamanty, batch #259496"
  11. 24w ago · Twofivesixbot bot · 2026-05-20 view diff on Wikidata ↗
    Space group → space group Fd-3m
    Mohs' hardness → 10
    Crystal habit → octahedron
    IMA status and/or rank → grandfathered mineral (G)
    + 20 other properties edited (see Wikidata diff for full list)
    "Changed claim qualifiers: YSO ID: 12930, mv to monolingual text names on YSO statements"
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