Multi Spinel 6mm Faceted Banded Round A Grade - 15-16 InchSpinel 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.

spirals or other shapes to harden

they come in a rainbow of colors besides red

The different species are pyrope

greenish yellows

with differing colors associated commonly associated with the corresponding color of one of the eight main chakras

Mohs Hardness: 7

and chatoyancy

2-3 medium ranging 18-25mm

Enthusiasm

white or brown

The light color indicates that it was harvested from a young tree

Orthoceras was an ancient mollusk that lived over 370 million years ago