Characteristics of Violet Jadeite Jade and Probe into Its Colouration Mechanism

Mineral component, fabric and colouration mechanism of violet jadeite jade are studied comprehensively. It is considered that the violet of jadeite jade is the primary colour and was formed earlier than the green. The conclusion is put forward that the violet of jadeite jade is due to the assemblage of ion purities (Fe, Mn, Ti, Mg).