I beleve it was obsidioan, besalt, or plain old rock.
the olmecs
They are believed to represent their rulers.
McCain made a colossal blunder
Mesoamerica
Mesoamerica
, it is thought that the monuments represent portraits of powerful individual Olmec rulers.
The most large ones are the Easter Island rock faces.
They kept there calenders on a stone stelae a type of monument.
Up to date 17 Olmec colossal heads have been unearthed.
The Olmec civilization was well known for the colossal heads featured in their artwork. The Olmec civilization was the first major civilization in what is now Mexico.
The Olmec colossal heads are the most recognized symbol of the Olmec culture.