In the 1930s, Mahmud Hamza excavated a number of objects related to the production of Egyptian blue at Qantir, such as Egyptian blue cakes and fragments in various stages of production, providing evidence that Egyptian blue was actually produced at the site.
In the 1930s, Mahmud Hamza unearthed various items connected to Egyptian blue manufacturing at Qantir, such as cakes and fragments in different stages of production, thus confirming that Egyptian blue was made at this location.