🛠️ Invention or technique

Maya blue

Azul maya

Date
c. 300 CE · confidence medium
Place
Calakmul, Campeche, Mexico
Credited to
Maya of the Classic period
Field
Matter & energy

⚠️ Disputed: the sources disagree.

What it is

A hybrid organic-inorganic pigment made by embedding indigo into the channels of palygorskite clay using heat. It withstands centuries of tropical climate, acids and alkalis: an ancient nanocomposite.

The oldest examples are debated between the Late Preclassic and the Early Classic; it continued to be used in the colonial period.

What it led to

  • the murals of Bonampak, Cacaxtla and Chichén Itzá
  • modern research into hybrid pigments
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Sources✓ verified 2026-09-25