Complex sentence: This dye was possibly first used by the ancient Phoenicians as early as 1570 BC. The dye was greatly prized in antiquity because the colour did not easily fade, but instead became brighter with weathering and sunlight.
Split into simpler sentences: This dye was possibly first used by the ancient Phoenicians as early as 1570 BC. McGovern, P.e. Chem.1985,57,1514A-1522A The dye was greatly prized in antiquity because the colour did not easily fade, but instead became brighter with weathering and sunlight.