Un esempio su tutti gli anelli

Although the golden yellow color is not uniformly distributed

the prongs had to be ramifications rather than part of a setting

che si sposta su un fondo color crema

Its pleochroism is marked

Rubino grezzo 14,90 ct Opale Un esempio su tutti gliThe gem appears included when observed with a 10 magnifying glass. The glassy appearance of its surface is caused by the heating treatment in the presence of fluxing materials, such as borax, in which the rough stones are immersed. These fluxes allow the recrystallization and internal fractures of the ruby, but having a lower melting point than the gem, they dissolve to form a glassy patina that remains on the surface of the rough stone and that will