Controlling Factors of the Color of Jade Material – Taking Jilin An’lv Jade as Example

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Abstract:

Produced in Ji’an of Jilin Province, An’lv jade is named after Lvshui River in that region. The research shows that the main mineral composition of An’lv jade is lizardite and the type and content of the chemical constituent has great influence on the color of jade. Due to the “chromophore” of Fe, the jade is mainly in green, varying from light yellow green to dark green and even to blackish green along with the increment of content. However, some “non-chromophores” also affect depth (intensity) of the color of jade, for example, the color of jade becomes light and its transparency becomes better along with the increment of the content of Si, Al, Mg, OH.

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52-55

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January 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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