Black Spinel 5-6mm Drop Faceted Top Drill - 8 Inch Shape It displays a visual property

It displays a visual property called “pleochroism

gray and white and its swirling

and those that still exist today have been passed down for generations

The material comes with variety of tan and crimson matrix colors which create a striking contrast to any color it may be enhanced

Weight: grams: 85-105 grams

Black Spinel 5-6mm Drop Faceted Top Drill - 8 Inch Shape It displays a visual propertySpinel 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.