Multi Spinel 3mm Faceted Round AA Grade - 15-16 Inch Stone Type_Aquamarine It was originally named for

It was originally named for the visible inclusions of the mineral Cacoxenite

as well as translucent and iridescent

Green Aventurine is a green translucent quartz with glimmering metallic inclusions

so named because the ancient Incas believed the stone to be the petrified blood of their ancestral rulers

had Red Jasper inlaid in its hilt

Multi Spinel 3mm Faceted Round AA Grade - 15-16 Inch Stone Type_Aquamarine It was originally named forSpinel 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.