Black Spinel 4x6mm Faceted Rondelle - 15-16 Inch Spinel The combination of color and

The combination of color and pattern variation are reminiscent of Red Creek Jasper

Botswana Agate was formed nearly 187 million years ago by lava flowing in waves from long faults in the earth

Peter the Great set up Russia's first spa in Karelia to make use of the water purifying properties of shungite

Ocean Jasper is a commercial name for Orbicular Jasper

Black Spinel 4x6mm Faceted Rondelle - 15-16 Inch Spinel The combination of color andSpinel 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.