WHAT IS STAR RUBY?
STAR ruby is a rare variety of rubies. Nearly 3 stars are discovered in every 100 faceted corundum mined. Fine stars are more rare. Star Ruby is a type of rubies, which shows the special optical phenomenon “asterism”. “Asterism” is a phenomenon by which a star shaped light effect has been shown across the surface of the gem through the reflection or transmission of light. Star Ruby is one of the most popular star gems, which shows an illuminated, wavy star bellow the surface of the crystal. Usually Star Ruby shows the six legged star effect. But it can shows four to twelve rays depending on the crystal system of the gems. Twelve rays star effect in ruby is very occasional.