Ruby Zoisite 6mm Round 15-16 Inch Color_Gray Nangka is the name commonly

Nangka is the name commonly used in the Philippines for the Jackfruit Tree

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

Spinel is a hard vitreous magnesium aluminum oxide

It’s believed that Kublai Khan once offered an entire city in trade for a sizable Ruby

This stone is relatively soft

Ruby Zoisite 6mm Round 15-16 Inch Color_Gray Nangka is the name commonlyRuby 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.