Black Spinel 4mm Natural Round - 15-16 Inch 48HR02162023 It is known for its

It is known for its colors to to dark green and mustardy yellow

Chrysoprase is a bright apple green

Hematite is black to steel to gray or silver to gray

Tiger Eye has been revered and feared throughout history as an

as a gemstone that is cut into many shapes and often given a high polish

Black Spinel 4mm Natural Round - 15-16 Inch 48HR02162023 It is known for itsSpinel 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.