holmium

chemical element with symbol Ho and atomic number 67
Thing chemical_element Q1846
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holmium

Summary

holmium is a chemical element[1]. holmium draws 1,507 Wikipedia views per month (chemical_element category, ranking #86 of 144).[2]

Key Facts

  • holmium is credited with the discovery of Per Teodor Cleve[3].
  • holmium is credited with the discovery of Marc Delafontaine[4].
  • holmium is credited with the discovery of Jacques-Louis Soret[5].
  • holmium's instance of is recorded as chemical element[6].
  • Stockholm is named after holmium[7].
  • holmium is made of monazite sands[8].
  • holmium is made of gadolinite group[9].
  • holmium is made of monazite mineral group[10].
  • holmium's location of discovery is recorded as Geneva[11].
  • holmium's location of discovery is recorded as Uppsala[12].
  • holmium's canonical SMILES is recorded as [Ho][13].
  • holmium's element symbol is recorded as Ho[14].
  • holmium's chemical formula is recorded as Ho[15].
  • holmium is a type of lanthanide[16].
  • holmium is part of lanthanide[17].
  • holmium is part of period 6[18].
  • holmium is used for pole piece[19].
  • holmium is used for nuclear poison[20].
  • holmium's Commons category is recorded as Holmium[21].
  • holmium's Unicode character is recorded as 鈥[22].
  • holmium's crystal system is recorded as hexagonal crystal system[23].
  • holmium's time of discovery or invention is recorded as January 1, 1878[24].
  • holmium's space group is recorded as space group P6₃/mmc[25].
  • holmium's topic's main category is recorded as Category:Holmium[26].
  • holmium's Commons gallery is recorded as Holmium[27].

Body

Definition and Type

holmium's instance of is recorded as chemical element[6]. holmium is a type of lanthanide[16].

Origins

Stockholm is named after holmium[7].

Use and Application

Recorded has use include pole piece[19] and nuclear poison[20]. Part of include lanthanide[17] and period 6[18], a period[28].

Why It Matters

holmium draws 1,507 Wikipedia views per month (chemical_element category, ranking #86 of 144).[2] holmium has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[29] holmium is known by 33 alternative names across languages and contexts.[30]

References

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

Direct Wikidata claims

  1. [6] . wikidata.org.
  2. [3] . wikidata.org.
  3. [4] . wikidata.org.
  4. [5] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Inline context (facts about related entities)

  1. [28] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [29] . Wikidata sitelinks. wikidata.org.
  3. [30] . Wikidata aliases. 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). holmium. Retrieved May 3, 2026, from https://4ort.xyz/entity/holmium
MLA “holmium.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/holmium.
BibTeX @misc{4ortxyz_holmium_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{holmium}}, year = {2026}, url = {https://4ort.xyz/entity/holmium}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): holmium — https://4ort.xyz/entity/holmium (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/holmium · 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. 4d ago · Baum64 · 2026-08-29 view diff on Wikidata ↗
    Subclass of lanthanide
    "/* wbcreateclaim-create:1| */ [[Property:P279]]: [[Q19569]], [[:toollabs:quickstatements/#/batch/269656|batch #269656]]"
  2. 7d ago · Mahirtwofivesix · 2026-08-26 view diff on Wikidata ↗
    Arabic ontology lexical concept id 151078474
    "/* wbeditentity-statements-multiple-properties-update:0||3 */ added/modified IDs mapped to WordNet 3.1"
  3. 17d ago · KrBot bot · 2026-08-17 view diff on Wikidata ↗
    Electrical conductivity {'amount': '+1230000.0'}
    Poisson's ratio {'amount': '+0.23'}
    Shear modulus {'amount': '+28414000000.0'}
    Thermal conductivity {'amount': '+16.0'}
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbsetreference-set:2| */ [[Property:P5668]]: 43,126,000,000.0 pascal"
  4. 17d ago · Baum64 · 2026-08-16 view diff on Wikidata ↗
    Bulk modulus {'amount': '+43126000000.0'}
    Crystal system hexagonal crystal system
    Space group space group P6₃/mmc
    Density {'amount': '+8731.91'}
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P9824]]: 9010994, [[:toollabs:quickstatements/#/batch/269026|batch #269026]]"
  5. 7w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 3zDmTH
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  6. 15w ago · Ponor · 2026-05-16 view diff on Wikidata ↗
    Hrvatska enciklopedija id holmij
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/31836|batch #31836]]: Hrvatska enciklopedija"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.