Black Spinel 6mm Round - 15-16 Inch Latest-MAR2022 Its colors include burnt red

Its colors include burnt red

Like all obsidian

apricot and purplish red

meaning it becomes magnetically charged from heat or friction

Its name is derived from the Greek word for blood

Black Spinel 6mm Round - 15-16 Inch Latest-MAR2022 Its colors include burnt redSpinel 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.