thaumasite

Unusual calcium silicate mineral with carbonate, sulfate and hexacoordinated hydroxysilicate anions. Responsible of a harmful concrete sulfate attack
ChemicalSubstance mineral_species Q2706126
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thaumasite

Summary

thaumasite is a mineral species[1]. thaumasite draws 9 Wikipedia views per month (mineral_species category, ranking #164 of 1,431).[2]

Key Facts

  • thaumasite's instance of is recorded as mineral species[3].
  • surprise is named after thaumasite[4].
  • thaumasite's chemical formula is recorded as Ca₃Si(OH)₆(SO₄)(CO₃)·12H₂O[5].
  • thaumasite is a type of ettringite group[6].
  • thaumasite's Commons category is recorded as Thaumasite[7].
  • thaumasite's streak color is recorded as white[8].
  • thaumasite's crystal system is recorded as hexagonal crystal system[9].
  • thaumasite's IMA status and/or rank is recorded as grandfathered mineral (G)[10].
  • thaumasite's Strunz 8th edition is recorded as VIII/A’.06a[11].
  • thaumasite's Nickel-Strunz 9th edition is recorded as 7.DG.15[12].
  • thaumasite's Nickel-Strunz '10th ed', review of is recorded as 7.DG.15[13].
  • thaumasite's Mohs' hardness is recorded as {'amount': '+3.5'}[14].
  • thaumasite's solid solution series with is recorded as ettringite[15].
  • thaumasite's type locality is recorded as Åreskutan[16].
  • thaumasite's IMA Mineral Symbol is recorded as Tma[17].

Why It Matters

thaumasite draws 9 Wikipedia views per month (mineral_species category, ranking #164 of 1,431).[2] thaumasite has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[18] thaumasite is known by 6 alternative names across languages and contexts.[19]

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . 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.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [18] . Wikidata sitelinks. wikidata.org.
  3. [19] . 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). thaumasite. Retrieved May 3, 2026, from https://4ort.xyz/entity/thaumasite
MLA “thaumasite.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/thaumasite.
BibTeX @misc{4ortxyz_thaumasite_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{thaumasite}}, year = {2026}, url = {https://4ort.xyz/entity/thaumasite}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): thaumasite — https://4ort.xyz/entity/thaumasite (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. 21d ago · Baum64 · 2026-09-02 view diff on Wikidata ↗
    Solid solution series with ettringite
    Mohs' hardness {'amount': '+3.5'}
    Instance of
    Streak color white
    + 9 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P1088]]: 3.5, [[:toollabs:quickstatements/#/batch/270249|batch #270249]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.