Centuries-old Maya Blue Mystery Finally Solved

ScienceDaily (2008-02-28) -- Anthropologists have discovered how the ancient Maya produced an unusual, widely studied blue pigment that was used in offerings, pottery, murals and other contexts across Mesoamerica from A.D. 300 to 1500. Production of the renowned, extremely stable pigment was part of ritual sacrifices at Chichén Itzá.

http://www.sciencedaily.com/releases/2008/02/080226162953.htm

Atentamente
Cuitlahuac