Ontology highlight
ABSTRACT:
SUBMITTER: Jiang Y
PROVIDER: S-EPMC8113324 | biostudies-literature | 2021 May
REPOSITORIES: biostudies-literature

Scientific reports 20210511 1
The genesis and influencing factors of the colour of chrysoprase were studied based on the results of transmission electron microscopy and X-ray fluorescence, ultraviolet-visible and Raman spectroscopies. The results show that under a 6504-K fluorescent lamp, chrysoprase colour is divided into the grades of fancy, fancy intense and fancy deep. The lightness of chrysoprase is affected mainly by its chromium content, the chroma is affected by its nickel content and the hue angle is affected by the ...[more]