Gemstone ring customization The star effect of colored gemstones is also called star effect or star pattern effect. Onder die bestraling van lig, sommige geboë konvekse edelstene sal die optiese verskynsel hê van kruisende vierskote, ses-skoot en tot twaalf-skoot ster-agtige strale, net soos die sterlig in die naghemel. The generation of gem starlight [...]
