A collection of 23 Sahara Desert Neolithic gem points of variously colored gems including chert, chalcedony, jasper and quartzite; image credit on full record.
A collection of Neolithic gem points, 5,000 to 9,000 B.P., Sahara Desert. These 23 variously colored gem points are finely knapped and expertly made f... [more detail available via subscription]