{
  "name": "Build card: Tyrian purple",
  "desc": "Build card for Tyrian purple: key construction point, name, category, period, materials, surviving examples and screen-swatch note, each with its source.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "Tailor, Weaver, Jeweler, Dyer",
  "url": "https://tailorweaverjewelerdyer.com/color/tyrian-purple/",
  "from": [
    "Sukenik et al. 2021, PLOS ONE 16(1): e0245897 (CC BY 4.0)",
    "ChEBI records CHEBI:80914 and CHEBI:749117, read 2026-10-26 (CC BY 4.0)",
    "Pliny the Elder, Natural History, Book 9 (Bostock and Riley 1855; Latin text of Mayhoff)",
    "Aristotle, History of Animals, Book V (Cresswell translation)"
  ],
  "how": "Compiled by Tailor, Weaver, Jeweler, Dyer from the data listed",
  "data_by": [
    "Sukenik, Iluz, Amar, Varvak, Shamir and Ben-Yosef, Early evidence of royal purple dyed textile from Timna Valley (Israel), PLOS ONE 16(1): e0245897, 2021, CC BY 4.0, https://doi.org/10.1371/journal.pone.0245897",
    "ChEBI (Chemical Entities of Biological Interest), EMBL-EBI, records CHEBI:749117 and CHEBI:80914, CC BY 4.0, https://www.ebi.ac.uk/chebi/",
    "Pliny the Elder, Natural History, Book 9, translated by John Bostock and H. T. Riley (1855), public domain, https://www.gutenberg.org/ebooks/60230; Latin text of Karl Mayhoff (Teubner, 1875–1906), public domain, https://penelope.uchicago.edu/Thayer/L/Roman/Texts/Pliny_the_Elder/9*.html",
    "Aristotle, History of Animals, Book V, translated by Richard Cresswell (1862), public domain, https://www.gutenberg.org/ebooks/59058"
  ]
}