Ruby Zoisite 8x10-9x13mm Side Drilled Pebble - 15-16 Inch Yellow Turritella Agate is a variety

Turritella Agate is a variety of Chalcedony

Unlike many other turquoise varieties

with magenta to purple seen as the most valuable

When skillfully cut and polished

Ruby Zoisite 8x10-9x13mm Side Drilled Pebble - 15-16 Inch Yellow Turritella Agate is a varietyRuby 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.