Emerald (Synthetic Overgrowth Hydrothermal) Classification
Emerald (Synthetic Overgrowth Hydrothermal)
Light To Very Dark Green To Strongly Bluish Green, Slightly Yellowish Green
Lechleitner Synthetic Emerald
Refractive index, birefringence, optic character distinguished beryl from other materials, but magnification is essential for separating synthetic beryl from natural material. Overgrowth synthetic emerald reveals itself in differences between the natural seed core and the synthetic layer grown over the seed.
Misnomer: cultured emerald