Peruvian Turquoise (Chrysocolla) 5x8mm Rondelle Faceted A Grade - 15-16 Inch Blue When the abalone shell is

When the abalone shell is struck

It is a particularly unusual gem because it exhibits a special optical property known as tenebrescence

When they're dry

it is a relative newcomer to the gem market

A particularly soft stone

Peruvian Turquoise (Chrysocolla) 5x8mm Rondelle Faceted A Grade - 15-16 Inch Blue When the abalone shell isPeruvian Turquoise is also known as Turquoise Chrysocolla. Its attractive blue green provides a unique color to the mineral world. Peruvian Turquoise is an important ornamental mineral for jewelry and adorned the ceremonial dress of early native Inkas. It also brings good fortune and attracts healing spirits. Delicate veining, caused by impurities, is desired by some collectors as proof of a natural stone.