Advancing Fei Cui Origin Authentication: A comparison of green fei cui from Myanmar, Guatemala, Italy and Russia

The mineral zoisite is a calcium alumosilicate belonging to the class of silicates, more exactly sor

A.Y. Shelementyeva, Y.B. Shelementyev, O.V. Yarapova Download Pdf

Over the past few years we have been seeing more and more lower quality stones in the lab. The reaso