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Ελληνικά23 · Colour technology · Hybrid material
Blue that does not yield
Indigo and clay united by heat
Maya blue combines plant indigo and clay to obtain a very resistant pigment.
Museum documentation · free public access, no account required.
Documentary original · Exact correspondence
Institutional photograph of the original crocodile rattle, Met 1979.206.1143, disseminated by The Metropolitan Museum of Art under CC0. Attribution to Maya artists corresponds to the manufacture of the piece, not to the authorship of the photograph.
The Metropolitan Museum of Art · The Metropolitan Museum of Art · Inventory: 1979.206.1143 · CC0 1.0
History and context
The so-called Maya blue combines organic indigo with palygorskite, a fibrous clay. Heating the mixture favours a pigment resistant to moisture, acids and degradation, capable of surviving in murals, ceramics and offerings.
Experiments and analysis have linked some preparations to the heat of burning incense, a possible link between manufacture and ritual. This proposal explains certain contexts, not a single recipe applied uniformly across centuries and regions.
Heat favours indigo stabilising in the fibrous structure of palygorskite, the origin of Maya blue's resistance to moisture and chemical agents. The recipe unites mineral and organic knowledge.
Geological sources and experiments allow reconstruction of materials, but not a single workshop for fifteen centuries. Production during copal burning explains some ritual contexts and must remain a partial hypothesis.
Evidence and interpretation
Documented fact: Material analysis identifies indigo and palygorskite in Maya blue, and heating stabilises the compound. Interpretation and caution: Production during copal combustion is an experimentally supported hypothesis for some contexts; workshops, proportions and meanings varied.
Catalogue facts
- Narrative date
- Documented use from the Classic, c. 300–1500 CE
- Location
- Maya lowlands, especially the Yucatán Peninsula
- Material
- Indigo · palygorskite · heat · possible copal
- Context
- Artisanal chemistry, painting and ritual practice
- Curatorial reading
- The documented fact and its interpretation appear separately in the evidence block.
- Date
- Documented use from the Classic, c. 300–1500 CE
- Location
- Maya lowlands, especially the Yucatán Peninsula
- Support
- Indigo · palygorskite · heat · possible copal
- Documentary coverage
- 3 museum, heritage, primary corpus or research sources for this stop.
A SHARED TOPIC, DIFFERENT MOMENTS
Objects connected through time
Follow a topic across the collections. A shared tag is a way to compare objects, not proof that one culture influenced another.
The order uses the midpoint of each approximate date range; ranges can overlap. Spacing does not represent elapsed time. Swipe, scroll or use the arrows. With the sequence focused, use ← / →, Home or End.
THE CURRENT OBJECT
Its date is not sufficiently established to place it on the timeline. We keep it here, separate from the dated objects.
You are viewingDocumented use from the Classic, c. 300–1500 CE
Blue that does not yield
Maya worlds
Interval of use of a technology; not dating of a single piece.
Current recordPigments14 dated objects
≈77,000–75,000 years
Engraved ochre from Blombos
Prehistory
Approximate catalogue age; editorial reference 2026 for ordering only, not calibrated dating.
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≈29,500 years
Willendorf
Prehistory
Approximate catalogue age; editorial reference 2026 for ordering only, not calibrated dating.
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≈25.500–23.500 BCE
Before the San
San histories
Date of the representative element, not ethnic attribution of its authors.
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≈25.500–23.500 BCE
Before the name San
San histories
Dating of the context of the slabs; anonymous authors.
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Assemblage ≈36,000–13,000 BP · bison ≈18,400–15,300 cal BP
Altamira
Prehistory
Assemblage range ≈36,000–13,000 BP, converted with 1950 origin; not a single date for the bison. It is an approximate scale conversion for ordering; not a new radiocarbon calibration.
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≈23,500–21,000 cal BP · debated contextual estimate
Lascaux
Prehistory
≈23,500–21,000 cal BP with 1950 origin; debated contextual estimate, replica image. It is an approximate scale conversion for ordering; not a new radiocarbon calibration.
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≈23,000–21,000 years
Kostenki I
Prehistory
Approximate catalogue age; editorial reference 2026 for ordering only, not calibrated dating.
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Sequence ≈9300–1300 BP
Cueva de las Manos
Prehistory
Sequence ≈9300–1300 BP converted with 1950 origin; not a single date for all images. It is an approximate scale conversion for ordering; not a new radiocarbon calibration.
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19th–18th centuries BCE
Queen of the Night
Sumer
Approximate dating according to the record.
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8th–7th centuries BCE · orientalizing
Ceramic stand 1010
Iberians
Chronology of the funerary context of Tomb 5, Orientalising horizon.
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Around 480–470 BCE
Banquet under leopards
Etruscans and Rome
Approximate dating according to the record.
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4th–3rd centuries BCE
The Karwa textile
Pre-Inca cultures
Approximate dating according to the record.
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c. 100 BCE
The walls of San Bartolo
Maya worlds
Approximate dating according to the record.
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Preserved manuscript: Postclassic, probably 13th–14th centuries; earlier knowledge
Venus in the codex
Maya worlds
Probable date of the preserved manuscript, not of the origin of its knowledge.
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Also connected, without a comparable date (8)
These objects are not placed after the others: an unknown date does not mean a more recent object.
- BhimbetkaPrehistory · Mesolithic–historical and medieval period
- Eland CavePrehistory · Regional tradition of ≈4,000 years · up to historical period
- Game Pass ShelterSan histories · Regional rock art chronology · panel not dated in isolation
- KakaduPrehistory · Regional corpus ≈20,000 BP–contemporary era
- Leang KarampuangPrehistory · Minimum 51,200 years · dating published in 2024
- Quinkan CountryPrehistory · Regional art up to ≈27,000 BP · modern continuity
- Sierra de San FranciscoPrehistory · Broad tradition with direct dates ≈5290–295 BP
- Tassili n’AjjerPrehistory · Corpus ≈6000 BCE–first centuries CE
A closer look
About 1 min to read · 1 section. Further reading and sources · free access. Editorial review recorded: .
The mines and the knowledge of communities
A study published in 2012 compared the composition of palygorskite from deposits known to contemporary Maya communities with samples of blue from Chichén Itzá and Palenque. The match in most samples provided direct evidence that some sources used today already supplied pre-Hispanic production. The result relates laboratory analysis and indigenous knowledge of the territory, rather than presenting the pigment as a mysterious lost formula. The documented continuity refers to concrete mineral sources and mining knowledge; it does not demonstrate that all ancient workshops shared identical materials or procedures.
Location and territory
REGIONAL AREA
Maya lowlands, especially the Yucatán PeninsulaGulf Olmec coast and Maya lands brought together in a museum; contact does not equal lineal descent. The footprint marks the orienting centre of the scope, not a boundary nor an exact point.Sources and references
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