Pendentif Saphir Étoilé P507Star Sapphire belongs to the corundum family and is distinguished by the presence of finely distributed rutile needles in the stone, which give rise to the luminous star. Color and Appearance Dominant colors : From deep blue to bluish black, sometimes gray or brown, with more or less intense nuances depending on the deposit. Asterism phenomenon : The six pointed star is seen when the stone is cut into a cabochon shape and catches the light at a