Black Spinel 6mm Round - 15-16 Inch birthstone_sapphire First described in 1881

First described in 1881

Ruby was valued more highly than any other gem

” taking its name from the stone

It’s believed that Kublai Khan once offered an entire city in trade for a sizable Ruby

It's also known as Angelita and Angelite Quartz

Black Spinel 6mm Round - 15-16 Inch birthstone_sapphire First described in 1881Spinel 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.