One of these vessels contained an additional offering of 13 obsidian prismatic blades.

He was bare-chested, the long obsidian blade dangling from his neck on a rawhide thong.

It contained a Late Preclassic cache of 13 prismatic obsidian blades.

One hand held a leaf-shaped obsidian blade.

It looked like an ancient obsidian blade.

Most of the skulls were found with associated obsidian blades.

Many of the remains were found accompanied by a broken obsidian blade.

He brought out the short obsidian blade and squinted to see me better.

The chipped-stone assemblage of Chunchucmil is dominated by obsidian prismatic blades.

Principally green obsidian blades and multicolored ceramic has been found here.