touchstone

small tablet of dark stone used for assaying precious metal alloys
Class type of: siliceous rock Q1482030
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Key Facts

  • Subclass of: siliceous rock[1]

References

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

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.

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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). touchstone. Retrieved October 29, 2026, from https://4ort.xyz/entity/touchstone
MLA “touchstone.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/touchstone.
BibTeX @misc{4ortxyz_touchstone_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{touchstone}}, year = {2026}, url = {https://4ort.xyz/entity/touchstone}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): touchstone — https://4ort.xyz/entity/touchstone (retrieved 2026-10-29)

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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. 4w ago · Maxeto0910 · 2026-10-01 view diff on Wikidata ↗
    Sitelink count → 31
    Subclass of → —
    Subclass of → siliceous rock
    Wikipedia languages → ['am', 'ar', 'bg', 'ca', 'cs', 'da', 'de', 'el', 'en', 'es', 'eu', 'fa', 'fr', '
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||fr, it */"
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