The story of Hetian jade
Spinch green nephrite is a kind of tremolite jade lts formation is relatde to the metamorphism of ultrabasic rocks lts unique green color comes from trace elements such as iron and chromiun contained inside Different contents of these elements create a rich variety of colors ranging from light green to dark green lts green hue originates from trace amounts of iron and chromium Depending on the content of these elements the jade presents a rich color rangr from light green to dark green from duck egg green to spinach green