翡翠颜色的定量描述

QUANTITATIVE DESCRIPTION OF GREEN JADEITE

采用国际照明委员会CIE－L*a*b*（1976）色度坐标，定量描述翡翠的颜色，将目测样品颜色与仪器检测的数据进行比较，实验结果比较相符。对传统主要求翡翠（绿色品种）颜色纯正、浓艳的概念给予定量的表示，克服目测估计中人为的差异。

It is quantitative determination for colour of Jadeite with CIE-L* a* b* chromaticity diagram.The result by testing of instrument is just in accord with Asual evaluation. The quantitative determination could represent some special colour vocabularies by traditional visual way for greenish jadeite, suchas 'unadulterated', 'rich colour'' It could be avoided colour difference by visual emotion.