Black Spinel 3mm Table Cut Cube A Grade Bead - 15-16 Inch 20210722 It has a hardness of

It has a hardness of 8 on the Mohs hardness scale

mostly known for its green varieties

It has been called “the Laughter Stone” or “Happy Lace” for its believed power to elevate thoughts and promote optimism

Green Aventurine

When the abalone shell is struck

Black Spinel 3mm Table Cut Cube A Grade Bead - 15-16 Inch 20210722 It has a hardness ofSpinel 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.