Rubino grezzo 14,90 ct ciuccio Il grezzo era privo di

Il grezzo era privo di luce

visibili inclusioni a specchio tipiche della specie mineralogica

5 cm and includes a chain

creating this mixed cut that almost creates a window

Organic silver ring handmade

Rubino grezzo 14,90 ct ciuccio Il grezzo era privo diThe 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