Çatalhöyük was a prosperous center, probably because of
its control of the obsidian trade.
In the past, obsidian was often traded or exchanged over
long distances, hundreds of kilometers or more.
Most of the obsidian in Southwest Asia comes from
sources either in the mountains of Turkey or in northern
Çatalhöyük is located about 125 miles from the major
obsidian sources in Turkey.
It appears that obsidian was moved in massive quantities