marcasite

mineral, marcasite–löllingite mineral group
ChemicalSubstance mineral_species Q409087
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marcasite

Summary

marcasite is a mineral species[1]. marcasite ranks in the top 4% of mineral_species entities by monthly Wikipedia readership (1,088 views/month).[2]

Key Facts

  • marcasite's instance of is recorded as mineral species[3].
  • pyrite is named after marcasite[4].
  • marcasite's chemical formula is recorded as FeS₂[5].
  • marcasite is a type of marcasite mineral subgroup[6].
  • marcasite's Commons category is recorded as Marcasite[7].
  • marcasite's crystal system is recorded as orthorhombic crystal system[8].
  • marcasite's IMA status and/or rank is recorded as grandfathered mineral (G)[9].
  • marcasite's Strunz 8th edition is recorded as II/C.07[10].
  • marcasite's Nickel-Strunz 9th edition is recorded as 2.EB.10a[11].
  • marcasite's Nickel-Strunz '10th ed', review of is recorded as 2.EB.10a[12].
  • marcasite's described by source is recorded as A History of the Materia Medica[13].
  • marcasite's described by source is recorded as Great Soviet Encyclopedia (1926–1947)[14].
  • marcasite's described by source is recorded as Meyers Konversations-Lexikon, 4th edition (1885–1890)[15].
  • marcasite's described by source is recorded as Encyclopædia Britannica 11th edition[16].
  • marcasite's described by source is recorded as Armenian Soviet Encyclopedia, vol. 7[17].
  • marcasite's described by source is recorded as Great Soviet Encyclopedia (1926–1947)[18].
  • marcasite's IMA Mineral Symbol is recorded as Mrc[19].

Why It Matters

marcasite ranks in the top 4% of mineral_species entities by monthly Wikipedia readership (1,088 views/month).[2] marcasite has Wikipedia articles in 24 language editions, a strong signal of global cultural recognition.[20] marcasite is known by 45 alternative names across languages and contexts.[21]

References

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

Direct Wikidata claims

  1. [3] ↑ . The IMA List of Minerals (September 2019). wikidata.org.
  2. [4] ↑ . webmineral.com. wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . Fleischer’s Glossary of Mineral Species 2014. wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . The IMA List of Minerals (February 2013). wikidata.org.
  8. [10] ↑ . Mineralogische Tabellen : Eine Klassifizierung der Mineralien auf kristallchemischer Grundlage, mit einer Einfuhrung in die Kristallchemie (1982). wikidata.org.
  9. [11] ↑ . mineralienatlas.de. wikidata.org.
  10. [12] ↑ . Q15221937. 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] ↑ . IMA–CNMNC approved mineral symbols. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [20] ↑ . Wikidata sitelinks. wikidata.org.
  3. [21] ↑ . 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). marcasite. Retrieved October 4, 2026, from https://4ort.xyz/entity/marcasite
MLA “marcasite.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Oct. 2026, https://4ort.xyz/entity/marcasite.
BibTeX @misc{4ortxyz_marcasite_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{marcasite}}, year = {2026}, url = {https://4ort.xyz/entity/marcasite}, note = {Accessed: 2026-10-04}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): marcasite — https://4ort.xyz/entity/marcasite (retrieved 2026-10-04)

Canonical URL: https://4ort.xyz/entity/marcasite · 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. 5w ago · Mrwdat3 · 2026-08-26 view diff on Wikidata ↗
    Encyclopedia of modern ukraine id → 63692
    "/* wbcreateclaim-create:1| */ [[Property:P4613]]: 62380, [[:toollabs:quickstatements/#/batch/269497|batch #269497]]"
  2. 6w ago · Baum64 · 2026-08-23 view diff on Wikidata ↗
    Density → +4939.24
    Bulk modulus → +162063000000.0
    Poisson's ratio → +0.191
    Shear modulus → +125990000000.0
    + 3 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P589]]: [[Q13359928]], [[:toollabs:quickstatements/#/batch/269342|batch #269342]]"
  3. 12w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → TV9VW
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  4. 19w ago · Twofivesixbot bot · 2026-05-25 view diff on Wikidata ↗
    Instance of → —
    Subclass of → marcasite mineral subgroup
    Named after → —
    Subclass of → —
    + 7 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|1 */ [[Property:P8189]]: 987007550981805171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.