Black Spinel 20x25mm Faceted Nugget Pendant R0852 consisting of opaque rust to

consisting of opaque rust to red glass with tiny flecks of glittering copper suspended within it

This inspired the stone’s alias

Tranquilty

and this phenomenon is thought to be due to impurities of yttrium or organic matter within the crystal lattice

the only region in the world where the stone is found

Black Spinel 20x25mm Faceted Nugget Pendant R0852 consisting of opaque rust toSpinel 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.