Somalian Girl Fashion Ruby Diamond Engagement Ring.
By Farzana Aamir.
A DIAMOND IS FOREVER. SINCE WHEN?
This red emission adds to the red color perceived by the subtraction of green and violet light from white light, and adds luster to the gem's appearance. When the optical arrangement is such that the emission is stimulated by 694-nanometer photons reflecting back and forth between two mirrors, the emission grows strongly in intensity. This effect was used by