Spain Girl Fashion Ruby Diamond Engagement Ring 173

Spain Girl Fashion Ruby Diamond Engagement Ring.   

By Farzana Aamir

s.

Rubies have a hardness of 9.0 on the Mohs scale of mineral hardness. Among the natural gems only moissanite and diamond are harder, with diamond having a Mohs hardness of 10.0 and moissonite falling somewhere in between corundum (ruby) and diamond in hardness