Black Spinel 3mm Faceted Round - 15-16 Inch Shape_Leaf The original stones were often

The original stones were often used as protective amulets and are usually scarred or pitted in places where they were ground off for use in traditional medicines

Hematite is black to steel-gray or silver-gray

clear to milky white to dark green

The presence of Manganese within the stone produces the purple hue

Black Spinel 3mm Faceted Round - 15-16 Inch Shape_Leaf The original stones were oftenSpinel 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.