Multi Spinel 2mm Table Cut Cube A Grade Banded Bead - 15-16 Inch Andalusite The colors in this stone

The colors in this stone can range from pistachio to moss green with areas of pink

Shungite has been used as a folk medical treatment since the early 18th century

Chiastolite is also known as the Cross Stone for the cross matrices of browns

with accents of pink

Multi Spinel 2mm Table Cut Cube A Grade Banded Bead - 15-16 Inch Andalusite The colors in this stoneSpinel 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.