orthoclase

feldspar mineral
ChemicalSubstance mineral_species Q21813710
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orthoclase

Summary

orthoclase is a mineral species[1]. orthoclase ranks in the top 4% of mineral_species entities by monthly Wikipedia readership (763 views/month).[2]

Key Facts

  • orthoclase's instance of is recorded as mineral species[3].
  • cleavage is named after orthoclase[4].
  • orthogonality is named after orthoclase[5].
  • orthoclase's chemical formula is recorded as K(AlSi₃O₈)[6].
  • orthoclase is a type of feldspar[7].
  • orthoclase is a type of alkali feldspar[8].
  • orthoclase's Commons category is recorded as Orthoclase[9].
  • orthoclase comprises aluminium potassium trisilicate[10].
  • orthoclase's streak color is recorded as white[11].
  • orthoclase's crystal system is recorded as monoclinic crystal system[12].
  • orthoclase's IMA status and/or rank is recorded as approved mineral and/or valid name (A)[13].
  • orthoclase's Nickel-Strunz 9th edition is recorded as 9.FA.30[14].
  • orthoclase's Mohs' hardness is recorded as {'amount': '+6'}[15].
  • orthoclase's described by source is recorded as Vollständige Charakteristik des Mineral-Systems[16].
  • orthoclase's described by source is recorded as Meyers Konversations-Lexikon, 4th edition (1885–1890)[17].
  • orthoclase's described by source is recorded as Encyclopædia Britannica 11th edition[18].
  • orthoclase's described by source is recorded as The New Student's Reference Work[19].
  • orthoclase's described by source is recorded as Armenian Soviet Encyclopedia, vol. 12[20].
  • orthoclase's described by source is recorded as Mala hirnycha encyclopædia[21].
  • orthoclase's IMA Mineral Symbol is recorded as Or[22].

Why It Matters

orthoclase ranks in the top 4% of mineral_species entities by monthly Wikipedia readership (763 views/month).[2] orthoclase has Wikipedia articles in 24 language editions, a strong signal of global cultural recognition.[23] orthoclase is known by 5 alternative names across languages and contexts.[24]

References

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

Direct Wikidata claims

  1. [3] . The IMA List of Minerals (November 2018). wikidata.org.
  2. [4] . webmineral.com. wikidata.org.
  3. [5] . webmineral.com. wikidata.org.
  4. [6] . rruff. 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] . The IMA List of Minerals (February 2013). wikidata.org.
  12. [14] . IMA/CNMNC List of Mineral Names (March 2009). 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] . 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. [23] . Wikidata sitelinks. wikidata.org.
  3. [24] . 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). orthoclase. Retrieved May 3, 2026, from https://4ort.xyz/entity/orthoclase
MLA “orthoclase.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/orthoclase.
BibTeX @misc{4ortxyz_orthoclase_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{orthoclase}}, year = {2026}, url = {https://4ort.xyz/entity/orthoclase}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): orthoclase — https://4ort.xyz/entity/orthoclase (retrieved 2026-05-03)

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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. 1d ago · Baum64 · 2026-08-25 view diff on Wikidata ↗
    Density +2.45677
    Bulk modulus +60988000000.0
    Named after cleavage, orthogonality
    Poisson's ratio +0.279
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P9824]]: 1011205, [[:toollabs:quickstatements/#/batch/269459|batch #269459]]"
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