Prehistoric bling? Aesthetics crucial factor in development of earliest copper alloys

(University of Cambridge) New study suggests golden hue crucial to development of world's earliest tin bronze artefacts. Using experimentally made copper alloys and colorimetric analyses, original colour of artefacts c. 6,500 years old can now be seen.

from EurekAlert! - Archaeology http://ift.tt/2Bx6cLG