Black Spinel 3mm Faceted Round - 15-16 Inch 0.8 - 1.1mm African Jade is a complex

African Jade is a complex Calcium Aluminum Silicate and is a Nephrite Jade

or during meditation

there may not be a beautiful blue-and-brown combination than that of Terra Agate

also known as the Stone Age

Tiger Eye is a macrocrystalline Quartz stone with bands of rich golds and browns

Black Spinel 3mm Faceted Round - 15-16 Inch 0.8 - 1.1mm African Jade is a complexSpinel 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.