Charoite is a potassium, barium, calcium strontium, hydrogen silicate mineral. It is a rare purple stone with a pearly luster and comes in colors from violet to darker purple with swirls on the surface.
Amber is one of the older organic gemstone materials. Amber is designated organic because it is the fossilized resin from a now-extinct species of coniferous trees that flourished more than thirty million years ago.