Maya Blue Pigment

Description

Maya Blue is one of the most extraordinary pigments of the ancient world, created by combining the deep blue dye extracted from Indigofera suffruticosa (añil, a native Central American indigo plant) with the fibrous clay mineral palygorskite. The dye molecules bond at high heat with the channels of the clay, creating a pigment of unmatched brilliance, permanence, and cultural significance.

The resulting powder is a luminous sky blue with subtle turquoise undertones. In painting, Maya Blue is semi-transparent, lightly granulating, and produces radiant, ethereal washes in watercolor and tempera. Its stability surpasses nearly all other natural organic mineral pigments, retaining vibrancy for centuries even in tropical climates.

History

First developed by the Maya around the 8th century CE (possibly earlier), Maya Blue was used extensively in wall paintings, codices, ceramics, and sacred rituals. Its formula was a closely guarded tradition, blending indigo dye with palygorskite clay sourced from regions in Mexico such as Oaxaca and the Yucatán Peninsula. In the pictured fresco from the Temple of the Warriors at Chichén Itzá, Maya Blue is used throughout to create the beautiful clothes, flowing waters, and deep blue accents of the fresco. In the pictured artwork "The Immaculate Conception" by Baltasar de Echave Ibia, Maya Blue is used extensively throughout in the robes and sky to create the beautiful rich blues inaccessible to much of Europe but used thoroughly in Mexico.

Unlike ordinary indigo dyes, which fade or wash away, Maya Blue is nearly indestructible: it resists acids, alkalis, solvents, biodegradation, and centuries of weathering. Archaeologists have uncovered murals at Bonampak, Chichén Itzá, and other Maya sites that still shine with brilliant blue centuries later.

Spanish chroniclers noted its ceremonial importance, including use in incense, offerings, and ritual body painting. Its creation represents a pinnacle of indigenous chemical knowledge, an intentional fusion of organic and mineral chemistry long before modern science could explain it.

Today, Maya Blue remains a marvel studied by archaeologists, chemists, and artisans, and is still made by traditional methods using true añil (Indigofera suffruticosa) and Mexican palygorskite.

Pigment Information

Pigment Type: Organic Inorganic Hybrid Pigment
Components: Indigo (Indigofera suffruticosa) + Palygorskite (fibrous magnesium aluminum silicate clay)
Source: Amalgamation of Indigofera suffruticosa and palygorskite (Mexico)
Origin: Mexico (natural)
Suitable Mediums: Oil, Watercolor, Tempera, Fresco, Mixed Media
Lightfastness: Exceptional (virtually permanent)
Opacity: Semi-transparent
Other Names: Añil Maya Blue, Indigo Palygorskite Blue
Color Index Code: Natural (no CI designation; indigo CI = NB1 when unbound)
Image: Fresco from the Temple of the Warriors at Chichén Itzá
Image 2: "The Immaculate Conception" by Baltasar de Echave Ibia from the Museo Nacional de Arte de Mexico.

Health and Safety

• For art use only. Not for cosmetic, food or children's use.
• Keep out of reach of children and pets. Do not eat, drink or smoke while working.
• Avoid creating or breathing dust. Work in a ventilated area and wear a NIOSH approved dust respirator (P100 or better) when handling dry pigment.
• Wear gloves and eye protection. Wash hands and work surfaces after use, and never rinse pigment into drains.
• Do not spray apply, sand or burn.
• If swallowed or if you feel unwell, contact a poison control center (U.S. 1-800-222-1222) or a doctor.
• Safety Data Sheet available on request.

Caution: May cause damage to organs through prolonged or repeated inhalation of dust. Avoid breathing dust.