Black Spinel 8mm Round - 15-16 Inch Morganite **The strand pictured is banded

**The strand pictured is banded but the strand you receive may not be banded

This makes sapphires very durable and scratch-resistant

and the material has not been treated with dye

with inclusions of white to colorless translucent or transparent

It is best known for its characteristic deep blue to violet-blue color

Black Spinel 8mm Round - 15-16 Inch Morganite **The strand pictured is bandedSpinel is a hard vitreous magnesium aluminum oxide, and comes in a range of other colors, but those varieties are transparent. Black Spinel not only has the dark color, but it is opaque as well, rendering its black especially deep and mysterious. Sometimes called the "Black Prince's Ruby" for its role in the English crown. It has been mistaken for ruby and sapphire at times, but can be distinguished by its structure and its lower relative hardness.