Nephrite jade with high market value and production potential from the Chinese city of Hechi, in Guangxi Province, was tested by standard gemological methods, polarizing microscopy, scanning electron ...
Nana noticed some attractive nephrite boulders. Recognizing their gemological value, he consigned rough samples to lapidary workshops in China and Idar-Oberstein, Germany. The production and marketing ...
Nephrite, a valued form of jade, is primarily composed of the mineral ... which can help in tracing the material's source and assessing its value[2]. In addition to these studies, research on ...