Multi Spinel 3mm Faceted Round AA Grade - 15-16 Inch Energy Prism The mineral is named for

The mineral is named for the place where it is principally found

and Side Cutters

so only a finite amount of rough material remains

Opalite can have a blue appearance when placed against a dark background and appear milky white with a pink or orange glow against a light background

Multi Spinel 3mm Faceted Round AA Grade - 15-16 Inch Energy Prism The mineral is named forSpinel 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.