1, different colors: Brazilian diopside is dark blue or dark green, and Russian diopside is light blue or light green. In addition, Brazilian diopside is more transparent than Russian diopside, so it is more suitable for jewelry.

2. Different refractive indexes: In terms of refractive index, the refractive index of Brazilian diopside is 1.62 ~ 1.66, and that of Russian diopside is 1.6 1 ~ 1.65. This means that Brazilian diopside is more shiny and easier to observe.