Multi Spinel 3mm Table Cut Cube - AA Grade - 15-16 Inch With Matrix Complete with Economy Chain Nose

Complete with Economy Chain Nose Pliers

This inspired the stone’s alias

Good question

Hematite is black to steel-gray or silver-gray

Multi Spinel 3mm Table Cut Cube - AA Grade - 15-16 Inch With Matrix Complete with Economy Chain NoseSpinel 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.