Black Spinel 8mm Round - 15-16 Inch Shape_Flat Oval The stone can also include

The stone can also include its namesake sage green

Its proper name is Artocarpus heterophyllus

It is a variety of banded Chalcedony with layers that may contain scarlet

The name comes from the French word for lemon

that were deposited in shallow sea beds

Black Spinel 8mm Round - 15-16 Inch Shape_Flat Oval The stone can also includeSpinel 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.