Ruby Zoisite 6mm Round 15-16 Inch Color_Gray This effect is known as

This effect is known as “labradorescence

These reproductions are designed in the traditional color

manganese and other metallic oxides captured during the forming of the rock

Emerald and Heliodore -- and is often cut to highlight its chatoyant qualities

creamy white to pale gray or beige

Ruby Zoisite 6mm Round 15-16 Inch Color_Gray This effect is known asRuby Zoisite occurs naturally when small Ruby crystals become embedded within Zoisite. The Ruby inclusions in this stone are pink to reddish purple to dark purple, while the Zoisite is light to medium green. Ruby has long been considered one of the most beautiful and valuable gemstones on the planet. It is also one of the hardest, second only to Diamond. At times in ancient history, Ruby was valued more highly than any other gem, including Diamond.