Black Spinel 4x6mm Faceted Rondelle - 15-16 Inch Terra Agate- New Fire Terra Agate Moss Agate is a variety

Moss Agate is a variety of Chalcedony

An orthoproxene mineral

Botswana Agate displays highly defined parallel banding

Amethyst is a beautiful purple stone

The cleaner facet from this cutting process results in significantly more sparkle than seen in stone cut by other methods

Black Spinel 4x6mm Faceted Rondelle - 15-16 Inch Terra Agate- New Fire Terra Agate Moss Agate is a varietySpinel 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.