"2015-04-28T20:40:11"^^ . "Han purple"@en . . "2012-11-29T15:29:47"^^ . . "purple, Chinese"@en . "300380026" . . "Chinese purple (also called Han purple) is a synthetic barium copper silicate pigment developed in China at least 2,000 years ago. Chinese purple fades and decomposes over time, particularly in contact with acids or heat."@en . "Chinese purple"@en .