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the claim

Tyrian purple dye was expensive and time-consuming to produce.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Tyrian purple dye was expensive and time-consuming to produce?

Yes. Multiple reliable references confirm that Tyrian purple was exceptionally costly and required immense labor, yielding tiny amounts of pigment from tens of thousands of sea snails.

Verdict: SUPPORTED · 3 sources for, 0 against · Last checked

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Evidence for · 3
Wikipedia: Tyrian purple
Reference article covering this claim directly
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Wikipedia: Tyrian purple. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Tyrian_purple

2 recorded entries grouped as this source

Additional records of the same source are shown below. They are not counted as additional sources.

Wikipedia: Wikipedia: Tyrian purple
Notes extracting the dye involved tens of thousands of snails and substantial labor, making it valuable.
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Wikipedia: Wikipedia: Tyrian purple. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Tyrian_purple

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More for · 2
Semantic Scholar peS2o: A Simple, Safe and Efficient Synthesis of Tyrian Purple (6,6′-Dibromoindigo)
Notes minute amounts in snails and high cost (e.g., 12,000 snails for 1.4 g).
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Semantic Scholar peS2o: A Simple, Safe and Efficient Synthesis of Tyrian Purple (6,6′-Dibromoindigo). (n.d.). Semantic Scholar peS2o. https://www.mdpi.com/1420-3049/15/8/5561/pdf

Wikibooks: Wikibooks: Wikijunior:The Elements/Bromine
Mentions Tyrian purple as a rare dye whose high cost made the color synonymous with royalty.
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Wikibooks: Wikibooks: Wikijunior:The Elements/Bromine. (n.d.). Wikibooks. https://en.wikibooks.org/wiki/Wikijunior:The_Elements/Bromine

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